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IDProjectCategoryView StatusDate SubmittedLast Update
0000445FlexRAID Transparent RAID[All Projects] Generalpublic2017-01-20 00:482017-01-20 21:53
ReporterBrahim 
Assigned ToBrahim 
PrioritylowSeverityminorReproducibilityalways
StatusacknowledgedResolutionopen 
PlatformWindowsOSWindows Server 2012 R2OS Version
Summary0000445: Pool volume GUID changes on restart
DescriptionThe volume GUID of the pool changes when the pool is stopped and restarted on some systems.
Steps To ReproduceStart pool
Capture GUID
Stop pool
Start pool
Capture GUID
TagsNo tags attached.
tRAID Version 1.0
Attached Files

- Relationships

-  Notes
(0001716)
Brahim (manager)
2017-01-20 00:52

1. For my checks, I use WinMerge for comparing the GUID.

2. Mounting as removable is should not fail. Though I mount things as fixed for testing, I personally tend to stick to the pool mounted as removable. I find that Windows screws less with removable disks. The benefits include greater energy saving (less access to the source disks) and less issues overall as certainty low level operations are not attempted including no shadow data being put on the pool disk.

3. Starting to wonder if you are running an old version of the pool driver.
Please download http://www.nirsoft.net/utils/driverview.html. [^] [^]
Then find all references to cbfs and post the versions.
On my production system running W2k12 R2, there is only one entry and it is 5.1.164.77.
(0001717)
adridolf (reporter)
2017-01-20 10:32

cbfs5.sys -> 5.1.164.77 (same)

The row has a light red shading (marking it as non-Microsoft driver -> EldoS Corp.)
(0001720)
adridolf (reporter)
2017-01-20 19:11

As reported in http://bug.flexraid.com/view.php?id=446, [^] starting with removable=true causes the volume ID to stay the same (if the pool starts ...). This is true even after several unsuccessful start attempts in between.
(0001721)
adridolf (reporter)
2017-01-20 19:18

Don't know whether this is relevant:
In the event viewer, I have two warning during pool restart:

disk Event 51 (four times in the same second):
An error was detected on device \Device\Harddisk13\DR77 during a paging operation.

disk Event 153:
The IO operation at logical block address 0x2 for Disk 13 (PDO name: \Device\000000e3) was retried.
(0001722)
Brahim (manager)
2017-01-20 21:34

What are these disks corresponding to?
(0001723)
adridolf (reporter)
2017-01-20 21:37

the pool of my primary array (consisting of the 4 TB disks etc.)
(0001724)
Brahim (manager)
2017-01-20 21:53

This issue is validated in that it occurs strictly with the pool disk being mounted as fixed disk. The issue does not manifest with the pool disk mounted as removable.

- Issue History
Date Modified Username Field Change
2017-01-20 00:48 Brahim New Issue
2017-01-20 00:48 Brahim Status new => assigned
2017-01-20 00:48 Brahim Assigned To => Brahim
2017-01-20 00:48 Brahim Issue generated from 0000444
2017-01-20 00:52 Brahim Note Added: 0001716
2017-01-20 00:52 Brahim Status assigned => feedback
2017-01-20 10:32 adridolf Note Added: 0001717
2017-01-20 10:33 adridolf Issue Monitored: adridolf
2017-01-20 10:33 adridolf Issue End Monitor: adridolf
2017-01-20 10:35 adridolf Issue Monitored: adridolf
2017-01-20 19:11 adridolf Note Added: 0001720
2017-01-20 19:18 adridolf Note Added: 0001721
2017-01-20 21:34 Brahim Note Added: 0001722
2017-01-20 21:34 Brahim Status feedback => assigned
2017-01-20 21:35 Brahim Status assigned => feedback
2017-01-20 21:37 adridolf Note Added: 0001723
2017-01-20 21:53 Brahim Note Added: 0001724
2017-01-20 21:53 Brahim Status feedback => assigned
2017-01-20 21:53 Brahim Status assigned => acknowledged


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