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3par PP 同步异常分析

2020-12-30 发表
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  • 1收藏,506浏览
李昂 五段
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组网及说明

正常的PP环境下,进行完第一次full sync后,此时stoprcopygroup,那么主存储会产生快照,备存储不会,当再次startrcopygroup时,会同步快照和源卷的差异量数据同步到备存储卷。备存储也会创建快照,以免同步不成功后可以回滚到startrcopygroup的时间点的数据,这是正常的流程

问题描述

在客户环境下,在11月25 19:10左右工程师在理线时误将备存储的几个盘笼的电源线给断掉,remote copy group自动停止,再次去startrcopygroup时,备存储的快照不断增大,最后导致备存储空间用满。组又自动停止。快照也变为stale状态。

过程分析

3par-A

 

最后一次手动停止组:

 

正常生成快照:

 

Time     : 2020-11-25 09:09:20.07 CST

Node     : 1

Seq      : 1877999

Class    : Notification

Severity : Informational

Type     : Command executed

Component: sw_cli

Tier     : General

Message  : {3paradm super all {{0 8}} -1 154.102.17.100:46026 64938} {stoprcopygroup EDMS} {}

 

Time     : 2020-11-25 09:09:19.97 CST

Node     : 0

Seq      : 749580

Class    : Addition to configuration

Severity : Informational

Type     : Object added

Component: sw_vv:344:rcpy.4.12.1

Tier     : General

Message  : Virtual Volume 344(rcpy.4.12.1) (WWN 60002AC0000000000000015800026A9C) added

 

 

当天下午集成商又手动启动了remote copy group

 

 

Time     : 2020-11-25 18:41:19.53 CST

Node     : 1

Seq      : 1906178

Class    : Notification

Severity : Informational

Type     : Command executed

Component: sw_cli

Tier     : General

Message  : {3paradm super all {{0 8}} -1 154.102.17.100:52136 86088} {startrcopygroup EDMS} {}

 

19:10:50 现场集成商工程师理线时碰到电源线导致pd 所有loop丢失;

 

Time     : 2020-11-25 19:10:50.88 CST

Node     : 0

Seq      : 1495754

Class    : Status change

Severity : Degraded

Type     : Component state change

Component: sw_cage_sled:1:6:0,sw_pd:28

Tier     : General

Message  : Magazine 1:6:0, Physical Disk 28 Degraded (Missing A Port {0x86}, Missing B Port {0x8a})

 

 

 

Time     : 2020-11-25 19:10:50.91 CST

Node     : 0

Seq      : 1495763

Class    : Status change

Severity : Degraded

Type     : Component state change

Component: sw_cage_sled:1:10:0,sw_pd:32

Tier     : General

Message  : Magazine 1:10:0, Physical Disk 32 Degraded (Missing A Port {0x86}, Missing B Port {0x8a})

 

 

edms_web-lun02.r为例:

 

Showvv –cpgalloc   edms_web-lun02.r

 

20 edms_web-lun02.r   cpvv NA    NA    base  FC_r6  FC_r6

 

 

1 FC_r6    -     - 32768 -t r6 -ha mag -ssz 10 -ss 128 -p -devtype FC

 

3parB cli% >>> showldch edms_web-lun02.r.usr.0

3parB cli% Ldch Row Set  PdPos Pdid Pdch  State Usage Media Sp From  To

   0   0   0 2:18:0   60 1074 normal    ld valid  N  --- ---

   1   0   0 0:14:0   14 1078 normal    ld valid  N  --- ---

   2   0   0 3:18:0   82 1079 normal    ld valid  N  --- ---

   3   0   0 1:18:0   40 1080 normal    ld valid  N  --- ---

   4   0   0 2:14:0   56 1075 normal    ld valid  N  --- ---

   5   0   0 0:10:0   10 1076 normal    ld valid  N  --- ---

   6   0   0 3:12:0   76 1077 normal    ld valid  N  --- ---

   7   0   0 1:14:0   36 1080 normal    ld valid  N  --- ---

   8   0   0 2:10:0   52 1074 normal    ld valid  N  --- ---

   9   0   0  1:6:0   28 1079 normal    ld valid  N  --- ---

  10   0   1 3:14:0   78 1078 normal    ld valid  N  --- ---

  11   0   1 0:16:0   16 1080 normal    ld valid  N  --- ---

  12   0   1  2:8:0   50 1076 normal    ld valid  N  --- ---

  13   0   1  1:4:0   26 1078 normal    ld valid  N  --- ---

  14   0   1  3:0:0   64 1081 normal    ld valid  N  --- ---

  15   0   1  0:8:0    8 1076 normal    ld valid  N  --- ---

  16   0   1 2:16:0   58 1076 normal    ld valid  N  --- ---

  17   0   1 1:16:0   38 1082 normal    ld valid  N  --- ---

  18   0   1 3:16:0   80 1078 normal    ld valid  N  --- ---

  19   0   1 0:12:0   12 1078 normal    ld valid  N  --- ---

  20   0   2 2:20:0   62 1075 normal    ld valid  N  --- ---

  21   0   2  3:4:0   68 1081 normal    ld valid  N  --- ---

  22   0   2 0:18:0   18 1082 normal    ld valid  N  --- ---

  23   0   2 1:10:0   32 1082 normal    ld valid  N  --- ---

  24   0   2 3:10:0   74 1083 normal    ld valid  N  --- ---

  25   0   2  0:6:0    6 1082 normal    ld valid  N  --- ---

  26   0   2  1:2:0   24 1083 normal    ld valid  N  --- ---

  27   0   2  2:6:0   48 1081 normal    ld valid  N  --- ---

  28   0   2  3:2:0   66 1083 normal    ld valid  N  --- ---

  29   0   2  0:2:0    2 1083 normal    ld valid  N  --- ---

 

 

 

 

 

由于cage1断电会涉及到一个产品设计机制:以edms_web-lun02包含的LD: edms_web-lun02.r.usr.0为例,该ldRAID 6,且有7chunklet位于cage1上,当cage1掉电时就会导致超过ld的冗余策略(最多同时故障两个chunklet),这也会体现在3PAR-Bsysmgr日志中:

 

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } Removing scsi disk device handle 0x0x24 from node 0

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } Ld raid set problem in ld 31 set 27. Reason: pd 43 ch 223 () pd 83 ch 233 () pd 29 ch 232 is normal (media valid, disk missing, pderr 1) pd 7 ch 233 () pd 49 ch 224 () pd 31 ch 231 is normal (media valid, disk valid, pderr 1) pd 65 ch 232 () pd 3 ch 232 () pd 53 ch 223 () pd 27 ch 230 is normal (media valid, disk missing, pderr 1)

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } Ld raid set problem in ld 31 set 115. Reason: pd 49 ch 246 () pd 71 ch 253 () pd 29 ch 253 is normal (media valid, disk missing, pderr 1) pd 3 ch 254 () pd 45 ch 245 () pd 81 ch 251 () pd 31 ch 251 is normal (media valid, disk valid, pderr 1) pd 21 ch 252 () pd 65 ch 252 () pd 27 ch 252 is normal (media valid, disk missing, pderr 1)

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } Ld raid set problem in ld 52 set 139. Reason: pd 47 ch 563 () pd 31 ch 571 is normal (media valid, disk valid, pderr 1) pd 65 ch 572 () pd 21 ch 571 () pd 27 ch 571 is normal (media valid, disk missing, pderr 1) pd 73 ch 570 () pd 61 ch 572 () pd 29 ch 572 is normal (media valid, disk missing, pderr 1) pd 83 ch 572 () pd 55 ch 570 ()

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } Ld raid set problem in ld 64 set 191. Reason: pd 69 ch 771 () pd 27 ch 773 is normal (media valid, disk missing, pderr 1) pd 21 ch 772 () pd 61 ch 773 () pd 73 ch 772 () pd 29 ch 775 is normal (media valid, disk missing, pderr 1) pd 7 ch 774 () pd 55 ch 771 () pd 71 ch 774 () pd 31 ch 771 is normal (media valid, disk valid, pderr 1)

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } Ld raid set problem in ld 64 set 231. Reason: pd 69 ch 781 () pd 27 ch 782 is normal (media valid, disk missing, pderr 1) pd 21 ch 782 () pd 61 ch 783 () pd 73 ch 781 () pd 29 ch 785 is normal (media valid, disk missing, pderr 1) pd 7 ch 784 () pd 55 ch 780 () pd 71 ch 784 () pd 31 ch 781 is normal (media valid, disk valid, pderr 1)

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } Ld raid set problem in ld 68 set 139. Reason: pd 29 ch 822 is normal (media valid, disk missing, pderr 1) pd 83 ch 824 () pd 7 ch 823 () pd 55 ch 821 () pd 27 ch 823 is normal (media valid, disk missing, pderr 1) pd 73 ch 822 () pd 21 ch 822 () pd 61 ch 823 () pd 31 ch 822 is normal (media valid, disk valid, pderr 1) pd 65 ch 822 ()

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } disk_newport: Set no path to pd 31 port A0 on nodes 0x03, vpi=0

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } disk_newport: Set no path to pd 31 port B0 on nodes 0x03, vpi=0

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } disk_newport: Set no path to pd 31 port A1 on nodes 0x03, vpi=0

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } disk_newport: Set no path to pd 31 port B1 on nodes 0x03, vpi=0

2020-11-25 19:10:50.98 CST {13223} {events:scsi         } Ld raid set problem in ld 31 set 27. Reason: pd 43 ch 223 () pd 83 ch 233 () pd 29 ch 232 is normal (media valid, disk missing, pderr 1) pd 7 ch 233 () pd 49 ch 224 () pd 31 ch 231 is normal (media valid, disk valid, pderr 1) pd 65 ch 232 () pd 3 ch 232 () pd 53 ch 223 () pd 27 ch 230 is normal (media valid, disk missing, pderr 1)

2020-11-25 19:10:51.47 CST {13223} {events:scsi         } Ld 25 row 0 set 0 in failed state

2020-11-25 19:10:51.47 CST {13223} {events:scsi         } rm_util_ld_ha_check: ld->l_id = 25, l_ha = 0x8

2020-11-25 19:10:51.47 CST {13223} {events:scsi         } rm_util_ld_ha_check: vv_switch_list is empty

2020-11-25 19:10:51.47 CST {13223} {events:scsi         } rm_util_ld_ha_check: vv_stop_list is empty

2020-11-25 19:10:51.47 CST {13223} {events:scsi         } Ld 26 row 0 set 0 in failed state

 

一旦出现“LD raid set problem”,那么备存储就会告知主存储(3par-A)进行一个hard stop,进而使得主存储强制停止组,这也是group在停止时主存储卷没有产生快照的原因:

 

 

 

 

Time     : 2020-11-25 19:04:56.35 CST

Node     : 0

Seq      : 761939

Class    : Alert,Status change

Severity : Degraded

Type     : Component state change

Component: sw_rmm_volume:12:edms_web-lun01

Tier     : Software check

Message  : Remote Copy Volume 12(edms_web-lun01) Degraded (Volume Group Unsynced - did not take snapshots while stopping group {0x4})

 

Time     : 2020-11-25 19:04:56.35 CST

Node     : 0

Seq      : 761940

Class    : Alert,Status change

Severity : Degraded

Type     : Component state change

Component: sw_rmm_volume:13:edms_web-lun02

Tier     : Software check

Message  : Remote Copy Volume 13(edms_web-lun02) Degraded (Volume Group Unsynced - did not take snapshots while stopping group {0x4})

 

Time     : 2020-11-25 19:04:56.35 CST

Node     : 0

Seq      : 761941

Class    : Alert,Status change

Severity : Degraded

Type     : Component state change

Component: sw_rmm_volume:14:edms_web-lun03

Tier     : Software check

Message  : Remote Copy Volume 14(edms_web-lun03) Degraded (Volume Group Unsynced - did not take snapshots while stopping group {0x4})

 

 

出现该问题后,remote copy group 已经stop,在1130日之前没有再进行startrcopygroup的操作,在1130日主存储删除edms_web-lun06edms_web-lun07,备存储删除edms_web-lun06.redms_web-lun07.r之后执行startrcopygroup

 

Time     : 2020-11-30 17:35:26.84 CST

Node     : 1

Seq      : 2285206

Class    : Notification

Severity : Informational

Type     : Command executed

Component: sw_cli

Tier     : General

Message  : {3paradm super all {{0 8}} -1 154.102.17.100:41342 39632} {removevv edms_web-lun06} {}

 

Time     : 2020-11-30 17:35:44.86 CST

Node     : 1

Seq      : 2285334

Class    : Notification

Severity : Informational

Type     : Command executed

Component: sw_cli

Tier     : General

Message  : {3paradm super all {{0 8}} -1 154.102.17.100:41434 40178} {removevv edms_web-lun07} {}

 

Time     : 2020-11-30 17:40:43.50 CST

Node     : 1

Seq      : 3298115

Class    : Notification

Severity : Informational

Type     : Command executed

Component: sw_cli

Tier     : General

Message  : {3paradm super all {{0 8}} -1 154.102.17.100:37056 92859} {removevv edms_web-lun06.r} {}

 

 

Time     : 2020-11-30 17:40:59.05 CST

Node     : 1

Seq      : 3298189

Class    : Notification

Severity : Informational

Type     : Command executed

Component: sw_cli

Tier     : General

Message  : {3paradm super all {{0 8}} -1 154.102.17.100:37136 93193} {removevv edms_web-lun07.r} {}

 

 

然后在主存储启动remote copy group,这时由于在11/25 19:10:50进行的是hard stop,并没有产生快照,因此本次startrcopygroup后并不会进行快照和主卷差异量比对,而是进行全同步:

 

Time     : 2020-11-30 17:36:01.36 CST

Node     : 1

Seq      : 2285436

Class    : Notification

Severity : Informational

Type     : Command executed

Component: sw_cli

Tier     : General

Message  : {3paradm super all {{0 8}} -1 154.102.17.100:41434 40178} {startrcopygroup EDMS} {}

 

 

2020-11-30 17:36:01.26 CST {78518} {MCRM_START          } rm_config_start: called to start mirroring group EDMS, flags 0x2, remoteconfig 0x0

2020-11-30 17:36:01.26 CST {78518} {MCRM_START          } rm_config_start_group: called to start group EDMS to target 3parB sync=1 wait=0 manual=1.

2020-11-30 17:36:01.27 CST {78518} {MCRM_START          } rm_util_group_checkkey: calculated checkkey 9

2020-11-30 17:36:01.29 CST {78518} {MCRM_START          } rm_util_group_checkkey: calculated checkkey 9

2020-11-30 17:36:01.29 CST {78518} {MCRM_START          } rm_secondary_group_check: check succeeded, group EDMS's secondary group on target 3parB is group EDMS.r158364

2020-11-30 17:36:01.29 CST {78518} {MCRM_START          } rm_util_getvvstatus: vv edms_web-lun01/12 for group EDMS target 3parB status 0x6/REMOTE-SYNCED (local status 0x3/UNSYNC), iteration -1,-1

2020-11-30 17:36:01.29 CST {78518} {MCRM_START          } rm_util_sync_group: there is no resync snapshot for vv edms_web-lun01 of group EDMS to target 3parB => full resynchronization.

2020-11-30 17:36:01.29 CST {78518} {MCRM_START          } rm_util_getvvstatus: vv edms_web-lun02/13 for group EDMS target 3parB status 0x6/REMOTE-SYNCED (local status 0x3/UNSYNC), iteration -1,-1

2020-11-30 17:36:01.29 CST {78518} {MCRM_START          } rm_util_sync_group: there is no resync snapshot for vv edms_web-lun02 of group EDMS to target 3parB => full resynchronization.

2020-11-30 17:36:01.29 CST {78518} {MCRM_START          } rm_util_getvvstatus: vv edms_web-lun03/14 for group EDMS target 3parB status 0x6/REMOTE-SYNCED (local status 0x3/UNSYNC), iteration -1,-1

2020-11-30 17:36:01.29 CST {78518} {MCRM_START          } rm_util_sync_group: there is no resync snapshot for vv edms_web-lun03 of group EDMS to target 3parB => full resynchronization.

 

而在备存储(3par-B)端:

 

由于之前已经进行完full sync,因此备存储的卷的状态从synced变为syncing,这时由于备存储不清楚主存储进行的是full sync,所以会像平常stoprcopygroup一样去创建快照卷,以防止同步失败后可以回滚到startrcopygroup时间点的状态。以保证备存储可以回滚到startrcopygroup时间点相应的数据

 

2020-11-30 17:41:52.67 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_config: startgroup for group EDMS.r158364

2020-11-30 17:41:52.67 CST {83288} {rm_util_thr:0x555555875d7f } rm_config_start: called to start mirroring group EDMS.r158364, flags 0x0, remoteconfig 0x1

2020-11-30 17:41:52.67 CST {83288} {rm_util_thr:0x555555875d7f } rm_config_start_group: called to start group EDMS.r158364 to target 3parA sync=1 wait=1 manual=1.

2020-11-30 17:41:52.68 CST {83288} {rm_util_thr:0x555555875d7f } rm_config_start_group: group EDMS.r158364 has been started to target 3parA.

2020-11-30 17:41:52.68 CST {83288} {rm_util_thr:0x555555875d7f } rm_config_start_group: Called to clear RM_GTARGET_FLAG_RESTART flag (current value = 0x100000) from rmconfig.c:2872

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_CHK_GRP_VV_START version 31 from system 3parA/158364, target 3parA, msg_key 0xd6930c35

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } rm_lib_sec_vvs_started_response: Remote Copy volume status change event - Volume edms_web-lun01.r/19 in group EDMS.r158364 set primary vid to 12 for target 3parA

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } rm_lib_sec_vvs_started_response: Remote Copy volume status change event - Volume edms_web-lun02.r/20 in group EDMS.r158364 set primary vid to 13 for target 3parA

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } rm_lib_sec_vvs_started_response: Remote Copy volume status change event - Volume edms_web-lun03.r/21 in group EDMS.r158364 set primary vid to 14 for target 3parA

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } rm_lib_sec_vvs_started_response: Remote Copy volume status change event - Volume edms_web-lun04.r/22 in group EDMS.r158364 set primary vid to 15 for target 3parA

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } rm_lib_sec_vvs_started_response: Remote Copy volume status change event - Volume edms_web-lun05.r/23 in group EDMS.r158364 set primary vid to 16 for target 3parA

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } rm_lib_sec_vvs_started_response: Remote Copy volume status change event - Volume edms-db-lun01.r/25 in group EDMS.r158364 set primary vid to 18 for target 3parA

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } rm_lib_sec_vvs_started_response: Remote Copy volume status change event - Volume edms-db-lun02.r/26 in group EDMS.r158364 set primary vid to 19 for target 3parA

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } rm_lib_sec_vvs_started_response: Remote Copy volume status change event - Volume edms_ap-lun01.r/18 in group EDMS.r158364 set primary vid to 21 for target 3parA

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } rm_lib_sec_vvs_started_response: Remote Copy volume status change event - Volume edms_web-lun08.r/338 in group EDMS.r158364 set primary vid to 322 for target 3parA

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_GROUP_CHECK version 31 from system 3parA/158364, target 3parA, msg_key 0xd6cefd89

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_check_group: doing group check from primary group EDMS on secondary group EDMS.r158364

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_group_checkkey: calculated checkkey 9

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_GET_VV_STATUS version 31 from system 3parA/158364, target 3parA, msg_key 0xd709d771

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_GET_VV_STATUS version 31 from system 3parA/158364, target 3parA, msg_key 0xd73d7074

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_GET_VV_STATUS version 31 from system 3parA/158364, target 3parA, msg_key 0xd7706f36

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_GET_VV_STATUS version 31 from system 3parA/158364, target 3parA, msg_key 0xd7a32ed4

2020-11-30 17:41:52.69 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_GET_VV_STATUS version 31 from system 3parA/158364, target 3parA, msg_key 0xd7d583aa

2020-11-30 17:41:52.70 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_GET_VV_STATUS version 31 from system 3parA/158364, target 3parA, msg_key 0xd80cd0a7

2020-11-30 17:41:52.70 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_GET_VV_STATUS version 31 from system 3parA/158364, target 3parA, msg_key 0xd83f12e4

2020-11-30 17:41:52.70 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_GET_VV_STATUS version 31 from system 3parA/158364, target 3parA, msg_key 0xd871939d

2020-11-30 17:41:52.70 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_GET_VV_STATUS version 31 from system 3parA/158364, target 3parA, msg_key 0xd8a4195a

2020-11-30 17:41:52.70 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_SNAP_GROUP_V2 version 31 from system 3parA/158364, target 3parA, msg_key 0xd8d6260c

2020-11-30 17:41:52.70 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_snap_vvs: received request to take snapshots of group EDMS.r158364

2020-11-30 17:41:52.70 CST {83288} {rm_util_thr:0x555555875d7f } vvblock: starting block. type vvblock_snapcreate, op vvblockop_set_block, Caller snapgrp_define_with_block Cnt 9 Vid 338

2020-11-30 17:41:52.71 CST {13232} {events:async:vvol_block_done } VV   callback from node: 0 status: 0 (TE_PASS)  PASS

2020-11-30 17:41:52.71 CST {13232} {events:async:vvol_block_done } VV   callback from node: 1 status: 0 (TE_PASS)  PASS

2020-11-30 17:41:52.71 CST {13232} {events:async:vvol_block_done } vvblock: processing block complete with status 0. type is vvblock_snapcreate, op is vvblockop_set_block

2020-11-30 17:41:52.71 CST {12493} {util_pool:smt_proc  } Start snap rcpy.4.338.1 (id=377) from parent edms_web-lun08.r (id=338) on nodes 0x03

2020-11-30 17:41:52.71 CST {12493} {util_pool:smt_proc  } Start snap rcpy.4.26.1 (id=376) from parent edms-db-lun02.r (id=26) on nodes 0x03

2020-11-30 17:41:52.71 CST {12493} {util_pool:smt_proc  } Start snap rcpy.4.25.1 (id=375) from parent edms-db-lun01.r (id=25) on nodes 0x03

2020-11-30 17:41:52.71 CST {12493} {util_pool:smt_proc  } Start snap rcpy.4.23.1 (id=374) from parent edms_web-lun05.r (id=23) on nodes 0x03

2020-11-30 17:41:52.71 CST {12493} {util_pool:smt_proc  } Start snap rcpy.4.22.1 (id=373) from parent edms_web-lun04.r (id=22) on nodes 0x03

2020-11-30 17:41:52.71 CST {12493} {util_pool:smt_proc  } Start snap rcpy.4.21.1 (id=372) from parent edms_web-lun03.r (id=21) on nodes 0x03

2020-11-30 17:41:52.71 CST {12493} {util_pool:smt_proc  } Start snap rcpy.4.20.1 (id=371) from parent edms_web-lun02.r (id=20) on nodes 0x03

2020-11-30 17:41:52.71 CST {12493} {util_pool:smt_proc  } Start snap rcpy.4.19.1 (id=370) from parent edms_web-lun01.r (id=19) on nodes 0x03

2020-11-30 17:41:52.71 CST {12493} {util_pool:smt_proc  } Start snap rcpy.4.18.1 (id=369) from parent edms_ap-lun01.r (id=18) on nodes 0x03

2020-11-30 17:41:52.72 CST {12493} {util_pool:smt_proc  } vvblock: stopping block. type vvblock_snapcreate, op vvblockop_rel_block, total time taken 0 seconds. Status Success. Caller snapgrp_define_with_block Cnt 9 Vid 338

2020-11-30 17:41:52.74 CST {83288} {rm_util_thr:0x555555875d7f } vvol_ssr_free_list: list 0x0x7fff206d13f0

2020-11-30 17:41:52.74 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_snap_vv_list: rcpy.4.18.1 marked as Remote Copy snapshot

2020-11-30 17:41:52.74 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_snap_vv_list: rcpy.4.19.1 marked as Remote Copy snapshot

2020-11-30 17:41:52.74 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_snap_vv_list: rcpy.4.20.1 marked as Remote Copy snapshot

2020-11-30 17:41:52.74 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_snap_vv_list: rcpy.4.21.1 marked as Remote Copy snapshot

2020-11-30 17:41:52.74 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_snap_vv_list: rcpy.4.22.1 marked as Remote Copy snapshot

2020-11-30 17:41:52.74 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_snap_vv_list: rcpy.4.23.1 marked as Remote Copy snapshot

2020-11-30 17:41:52.74 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_snap_vv_list: rcpy.4.25.1 marked as Remote Copy snapshot

2020-11-30 17:41:52.74 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_snap_vv_list: rcpy.4.26.1 marked as Remote Copy snapshot

2020-11-30 17:41:52.74 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_snap_vv_list: rcpy.4.338.1 marked as Remote Copy snapshot

2020-11-30 17:41:52.74 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_snap_vvs: Successfully created snapshots for group EDMS.r158364

2020-11-30 17:41:52.75 CST {83288} {rm_util_thr:0x555555875d7f } event_rmm_admin_thread: received ADMIN message type RM_ADMIN_SET_VV_STATUS version 31 from system 3parA/158364, target 3parA, msg_key 0xdf6a18f7

2020-11-30 17:41:52.75 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_setvvstatus: setting status of volumes in group EDMS.r158364 for target 3parA to REMOTE-SYNCING(0x5)

2020-11-30 17:41:52.75 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_do_setvvstatus: changing status of vv edms_ap-lun01.r of group EDMS.r158364 from REMOTE-SYNCED to REMOTE-SYNCING for target 3parA.

2020-11-30 17:41:52.75 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_do_setvvstatus: changing status of vv edms_web-lun01.r of group EDMS.r158364 from REMOTE-SYNCED to REMOTE-SYNCING for target 3parA.

2020-11-30 17:41:52.75 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_do_setvvstatus: changing status of vv edms_web-lun02.r of group EDMS.r158364 from REMOTE-SYNCED to REMOTE-SYNCING for target 3parA.

2020-11-30 17:41:52.75 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_do_setvvstatus: changing status of vv edms_web-lun03.r of group EDMS.r158364 from REMOTE-SYNCED to REMOTE-SYNCING for target 3parA.

2020-11-30 17:41:52.75 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_do_setvvstatus: changing status of vv edms_web-lun04.r of group EDMS.r158364 from REMOTE-SYNCED to REMOTE-SYNCING for target 3parA.

2020-11-30 17:41:52.75 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_do_setvvstatus: changing status of vv edms_web-lun05.r of group EDMS.r158364 from REMOTE-SYNCED to REMOTE-SYNCING for target 3parA.

2020-11-30 17:41:52.75 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_do_setvvstatus: changing status of vv edms-db-lun01.r of group EDMS.r158364 from REMOTE-SYNCED to REMOTE-SYNCING for target 3parA.

2020-11-30 17:41:52.75 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_do_setvvstatus: changing status of vv edms-db-lun02.r of group EDMS.r158364 from REMOTE-SYNCED to REMOTE-SYNCING for target 3parA.

2020-11-30 17:41:52.75 CST {83288} {rm_util_thr:0x555555875d7f } rm_util_admin_do_setvvstatus: changing status of vv edms_web-lun08.r of group EDMS.r158364 from REMOTE-SYNCED to REMOTE-SYNCING for target 3parA.

SCSI cache entry received of type 0x1 and len 0x10/0x1024

 

 

解决方法

考虑到主存储往备存储进行的是full sync,因此数据会源源不断的写入备存储卷,而由于此时备存储卷有快照的存在,按照COW的机制,数据会从备存储卷写入到快照,这也是快照不断增大直至占满的原因。

在命令行成功删除备存储的快照后,重新startrcopygroup,可以正常进行同步。

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