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Round two of issues with VMware


danielcollins90
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Hi everyone,

 

I hope maybe someone else could shed some light on an issue I'm having, this could be related to my previous issues getting VMware to install on my Microserver Gen 8.

I failed to install ESX 5.5 or 5.6 at around the storage phase of the install, I gave up and installed ESX 5.1 in the end which installed OK.

 

Ever since then, I had a 80GB SSD which I installed in the server (just pushed into the SAS back plane until I got my bracket mount) and If I did anything I/O intensive I just got:
 

Successfully restored access to volume 556ec7eb-
cd1399a3-ae0d-3464a99a3758 (Intel 80GB SSD) 
following connectivity issues.
info
03/06/2015 10:42:54 AM
CHEETAH
 
Lost access to volume 556ec7eb-cd1399a3-ae0d-
3464a99a3758 (Intel 80GB SSD) due to 
connectivity issues. Recovery attempt is in 
progress and outcome will be reported shortly.
info
03/06/2015 10:42:35 AM
Intel 80GB SSD

Now I thought this might just be because I was being naughy and pushed the disk into the SAS backplane. I've since migrated some old disks out of my NAS and one of them into my VMWare server (a 2TB Samsung HD204UI drive which functions fine) and now I'm getting the same errors for a different disk:
 
Successfully restored access to volume 556ec7eb-
cd1399a3-ae0d-3464a99a3758 (Samsung 2TB) 
following connectivity issues.
info
03/06/2015 10:24:23 AM
CHEETAH
 
Lost access to volume 556ec7eb-cd1399a3-ae0d-
3464a99a3758 (Samsung 2TB) due to 
connectivity issues. Recovery attempt is in 
progress and outcome will be reported shortly.
info
03/06/2015 10:22:34 AM
Samsung 2TB
 

During these times it naturally hangs copying to the datastore from anywhere else in the system. I had originally installed a Linux OS directly on the Microserver with the 80GB SSD in the same position, which functioned fine and I had no issues/io related issues. 

I'm a bit stumped.. I've had a look at https://communities.vmware.com/message/2496184and I've swapped the VIB I had out for the older one but I'm still having issues.

 

VMkernel.log says:
 

2015-06-03T10:22:53.907Z cpu1:2535)ScsiDeviceIO: 2320: Cmd(0x4124007f9c80) 0x85, CmdSN 0x57 from world 3985 to dev "t10.ATA_____SAMSUNG_HD204UI_________________________S2JGJ9GZC00550______" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0xb 0x0 0x0.
2015-06-03T10:22:53.975Z cpu1:4503)NMP: nmp_ThrottleLogForDevice:2346: Cmd 0x85 (0x4124007f9c80, 3985) to dev "t10.ATA_____SAMSUNG_HD204UI_________________________S2JGJ9GZC00550______" on path "vmhba0:C0:T0:L0" Failed: H:0x0 D:0x2 P:0x0 Valid sense data$
2015-06-03T10:22:53.976Z cpu1:4503)ScsiDeviceIO: 2320: Cmd(0x4124007f9c80) 0x85, CmdSN 0x57 from world 3985 to dev "t10.ATA_____SAMSUNG_HD204UI_________________________S2JGJ9GZC00550______" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0xb 0x0 0x0.
2015-06-03T10:22:53.983Z cpu1:2535)ScsiDeviceIO: 2320: Cmd(0x4124007f9c80) 0x85, CmdSN 0x57 from world 3985 to dev "t10.ATA_____SAMSUNG_HD204UI_________________________S2JGJ9GZC00550______" failed H:0x0 D:0x2 P:0x0 Valid sense data: 0xb 0x0 0x0.
 
vmwarning.log:
 
2015-06-03T09:20:00.283Z cpu1:2399)WARNING: ScsiDevice: 1448: Device t10.ATA_____SAMSUNG_HD204UI_________________________S2JGJ9GZC00550______ has been plugged back in after being marked permanently inaccessible. No data consistency guarantees.
 
I would really appreciate anyone else's thoughts.. I'm properly stumped. 
 
The next two things I'm going to try is:
 
- Change the RAID controller on from AHCI mode
- Create a custom VMware ESX image with the well known good driver
 
Thanks everyone
 
Daniel
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It looks like I'm not losing the will to live and others are having issues with AHCI mode: https://www.reddit.com/r/homelab/comments/345n53/hp_proliant_microserver_gen8_ahci_issue_loses/

Put it back into B120i mode, create RAID0 single drive arrays for each of your drives and downgrade the B120i driver. Thats what I did for the SSD I'm using for vFRC. The HDs are all attached to a P222.

 

I had similar problems with AHCI on the Gen8 Microserver. I never worked out what exactly was causing it but the above is a suitable workaround. If you're using it in RAID0 mode with a single drive then it should preserve the contents of the drive as well. You shouldn't need to reformat it.

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Put it back into B120i mode, create RAID0 single drive arrays for each of your drives and downgrade the B120i driver. Thats what I did for the SSD I'm using for vFRC. The HDs are all attached to a P222.

 

I had similar problems with AHCI on the Gen8 Microserver. I never worked out what exactly was causing it but the above is a suitable workaround. If you're using it in RAID0 mode with a single drive then it should preserve the contents of the drive as well. You shouldn't need to reformat it.

I did this last night as both you and HP suggested this.

 

Immediately resolved all of the outstanding issues I had, ESX 6 went on there fine.. no issues.

 

Little annoyed that AHCI caused me so many problems, as it should work and I'm wasting some CPU cycles on RAID calculations I'm not interested in but hey ho.. 

 

Thank you very much for your help :)

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