XenServer installation SR issue
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From the 7.0 Admin guide
5.2.2. Local EXT3
Using EXT3 enables Thin Provisioning on local storage. However, the default Storage Repository type is LVM as it gives a consistent write performance and, prevents storage over-commit. Customers using EXT3 may see reduced performance when carrying out VM lifecycle operations such as VM Create, suspend/resume and when initially creating large files from within the VM.
Local disk EXT SRs must be configured using the XenServer CLI.
5.2.2.1. Creating a Local EXT3 SR (ext)Device-config parameters for ext SRs:
Parameter Name Description Required? Device device name on the local host to use for the SR
To create a local ext SR on /dev/sdb use the following command:xe sr-create host-uuid=<valid_uuid> content-type=user \ name-label=<"Example Local EXT3 SR"> shared=false \ device-config:device=/dev/sdb type=ext
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@fuznutz04 Any update?
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@fuznutz04 Have you rebuilt the array on this device?
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@DustinB3403 Meaning rebuild the RAID array itself? Yes, twice now. Destroyed the array, recreated a RAID 10 array, initialized the array, and then installed XS. During the install, it asks where to store the VMs (the wording might be off here) and I am able to select the array itself. So XS is seeing the array, but not actually making it available as a SR.
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Hrm..
I wonder if there is a compatibility issue with your hardware then...
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@DustinB3403 said in XenServer installation SR issue:
Hrm..
I wonder if there is a compatibility issue with your hardware then...
Meaning the actual physical disks, or the RAID controller? I checked, and the RAID controller is on the HCL for XS 7. The disks are a mix of drives that I had around my house. WD Reds and a WD green or two.
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The RAID array should appear as a single drive and nothing that XS does should make a rebuild of the array needed. If that is happening, there is a deeper problem.
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@fuznutz04 said in XenServer installation SR issue:
@DustinB3403 said in XenServer installation SR issue:
Hrm..
I wonder if there is a compatibility issue with your hardware then...
Meaning the actual physical disks, or the RAID controller? I checked, and the RAID controller is on the HCL for XS 7. The disks are a mix of drives that I had around my house. WD Reds and a WD green or two.
The drives shouldn't matter (I'd be really really surprised if it did).
I just checked you hardware as well and it is supported. I actually just installed XS7 on a desktop yesterday for a tiny project.
So I'm guessing it's a hardware problem of some sort.
Have you given XS6.5 a go on this system and see what happens?
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@scottalanmiller said in XenServer installation SR issue:
The RAID array should appear as a single drive and nothing that XS does should make a rebuild of the array needed. If that is happening, there is a deeper problem.
It does. It shows as a single 6 TB "drive"
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@DustinB3403 said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@DustinB3403 said in XenServer installation SR issue:
Hrm..
I wonder if there is a compatibility issue with your hardware then...
Meaning the actual physical disks, or the RAID controller? I checked, and the RAID controller is on the HCL for XS 7. The disks are a mix of drives that I had around my house. WD Reds and a WD green or two.
The drives shouldn't matter (I'd be really really surprised if it did).
I just checked you hardware as well and it is supported. I actually just installed XS7 on a desktop yesterday for a tiny project.
So I'm guessing it's a hardware problem of some sort.
Have you given XS6.5 a go on this system and see what happens?
No, I haven't tried 6.5 yet, only 7.
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@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
The RAID array should appear as a single drive and nothing that XS does should make a rebuild of the array needed. If that is happening, there is a deeper problem.
It does. It shows as a single 6 TB "drive"
Should not need to rebuild, then. If the underlying array is corrupting, then the issue is at the controller or disk level.
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@fuznutz04 said in XenServer installation SR issue:
@DustinB3403 said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@DustinB3403 said in XenServer installation SR issue:
Hrm..
I wonder if there is a compatibility issue with your hardware then...
Meaning the actual physical disks, or the RAID controller? I checked, and the RAID controller is on the HCL for XS 7. The disks are a mix of drives that I had around my house. WD Reds and a WD green or two.
The drives shouldn't matter (I'd be really really surprised if it did).
I just checked you hardware as well and it is supported. I actually just installed XS7 on a desktop yesterday for a tiny project.
So I'm guessing it's a hardware problem of some sort.
Have you given XS6.5 a go on this system and see what happens?
No, I haven't tried 6.5 yet, only 7.
Give 6.5 a try and let us know if you have the same issue.
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@scottalanmiller said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
The RAID array should appear as a single drive and nothing that XS does should make a rebuild of the array needed. If that is happening, there is a deeper problem.
It does. It shows as a single 6 TB "drive"
Should not need to rebuild, then. If the underlying array is corrupting, then the issue is at the controller or disk level.
Any recommendations on what to check next on the controller and disks?
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@DustinB3403 said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@DustinB3403 said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@DustinB3403 said in XenServer installation SR issue:
Hrm..
I wonder if there is a compatibility issue with your hardware then...
Meaning the actual physical disks, or the RAID controller? I checked, and the RAID controller is on the HCL for XS 7. The disks are a mix of drives that I had around my house. WD Reds and a WD green or two.
The drives shouldn't matter (I'd be really really surprised if it did).
I just checked you hardware as well and it is supported. I actually just installed XS7 on a desktop yesterday for a tiny project.
So I'm guessing it's a hardware problem of some sort.
Have you given XS6.5 a go on this system and see what happens?
No, I haven't tried 6.5 yet, only 7.
Give 6.5 a try and let us know if you have the same issue.
I will. I'll try to install 6.5, and then if that doesn't work, then I'll try to install a basic OS like Server 2012 and see if that works.
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@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
The RAID array should appear as a single drive and nothing that XS does should make a rebuild of the array needed. If that is happening, there is a deeper problem.
It does. It shows as a single 6 TB "drive"
Should not need to rebuild, then. If the underlying array is corrupting, then the issue is at the controller or disk level.
Any recommendations on what to check next on the controller and disks?
Most likely thing there is memory issues on the controller cache. See if you can get a diagnostic from Dell.
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@scottalanmiller said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
The RAID array should appear as a single drive and nothing that XS does should make a rebuild of the array needed. If that is happening, there is a deeper problem.
It does. It shows as a single 6 TB "drive"
Should not need to rebuild, then. If the underlying array is corrupting, then the issue is at the controller or disk level.
Any recommendations on what to check next on the controller and disks?
Most likely thing there is memory issues on the controller cache. See if you can get a diagnostic from Dell.
I wonder if the battery on the controller could be screwing with that. The other day, there was a message stating "W1228 Raid controller battery capacity < 24hr" It was gone the last time I checked this morning.
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@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
The RAID array should appear as a single drive and nothing that XS does should make a rebuild of the array needed. If that is happening, there is a deeper problem.
It does. It shows as a single 6 TB "drive"
Should not need to rebuild, then. If the underlying array is corrupting, then the issue is at the controller or disk level.
Any recommendations on what to check next on the controller and disks?
Most likely thing there is memory issues on the controller cache. See if you can get a diagnostic from Dell.
I wonder if the battery on the controller could be screwing with that. The other day, there was a message stating "W1228 Raid controller battery capacity < 24hr" It was gone the last time I checked this morning.
It's worth replacing if the system is sending alarms about it.
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@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
@fuznutz04 said in XenServer installation SR issue:
@scottalanmiller said in XenServer installation SR issue:
The RAID array should appear as a single drive and nothing that XS does should make a rebuild of the array needed. If that is happening, there is a deeper problem.
It does. It shows as a single 6 TB "drive"
Should not need to rebuild, then. If the underlying array is corrupting, then the issue is at the controller or disk level.
Any recommendations on what to check next on the controller and disks?
Most likely thing there is memory issues on the controller cache. See if you can get a diagnostic from Dell.
I wonder if the battery on the controller could be screwing with that. The other day, there was a message stating "W1228 Raid controller battery capacity < 24hr" It was gone the last time I checked this morning.
Should only be a problem if your power is not solid.
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I'll run the built in LifeCycle diagnostics when I get home to see if it finds anything.
