PowerScale: SyncIQ does not replicate access time (atime) to the Target cluster

Summary: When replicating data using SyncIQ, if a files access time (atime) has changed on the Production cluster. Access time (atime) is not replicated to the Target cluster when SyncIQ completes the replication. ...

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Symptoms

Example:
 

Source:
SIQ1-1# stat -x /ifs/data/Sync_Test1
  File: "/ifs/data/Sync_Test1"
  Size: 8347045    FileType: Regular File
  Mode: (0777/-rwxrwxrwx)         Uid: (1001450/(1001450))  Gid: (1000069/(1000069))
Device: 136,1757282482   Inode: 4314169351    Links: 3
Access: Wed Jun 14 13:56:49 2023    <-- Access Time is newer than Target Access Time
Modify: Sun Jun 11 09:08:41 2023
Change: Sun Jun 11 09:08:41 2023


Target:
SIQ-2# stat -x /ifs/data/Sync_Test1
  File: "/ifs/data/Sync_Test1"
  Size: 8347045      FileType: Regular File
  Mode: (0777/-rwxrwxrwx)         Uid: (1000759/(1000759))  Gid: (1000195/(1000195))
Device: 18446744073709551597,18446744072263041268   Inode: 51447964289    Links: 3
Access: Sun Jun 11 09:08:35 2023   <-- Target Access time is not updated
Modify: Sun Jun 11 09:08:41 2023
Change: Sun Jun 11 10:21:48 2023

Cause

SyncIQ bases all its change transfer on attributes visible in a snapshot. SyncIQ can only transfer atime from source to target. When a source file has had some other modification that does trigger a COW, for instance a permissions change.

Resolution

This is by design, a feature enhancement request has been submitted for future code.
Proprietăți articol
Article Number: 000215411
Article Type: Solution
Ultima modificare: 02 Jan 2026
Version:  2
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