I currently have a single storage pool with qtier enabled, 4 x 8 TB HDD's in raid 5 and 2 x 480GB SATA M.2 drives raid 1. The pool has two thick volumes and a block based Iscsi lun.
Yesterday, while attempting to format an EXTERNAL USB HDD one of the members of the RAID 1 array became disconnected from the array. I attempted to resync and then to add back to the raid array but was unable to do.
I then attempted to remove the qtier from the storage pool but was unable to do so.
Both of the m.2 ssd's show as functional but I am not sure why I can't add the member back to the array or remove qtier from the storage pool.
I know that qtier will allow you to remove a SSD array from the storage pool assuming everything is healthy but does it not work if the array isn't healthy?
Thanks!
Qtier issue with TS-473
- dolbyman
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Re: Qtier issue with TS-473
you can remove the tier if you have enough pool space free to destage on it ...is that the case ?
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Re: Qtier issue with TS-473
I already moved down all the data and the only option I have is to remove the pool as the other option of remove ultra-high speed tier is greyed out.
- dolbyman
- Guru
- Posts: 35253
- Joined: Sat Feb 12, 2011 2:11 am
- Location: Vancouver BC , Canada
Re: Qtier issue with TS-473
how to you manually move the data down from a tier ?
if there is enough pool space you can remove the tier..nothing else that can be done manually
if there is enough pool space you can remove the tier..nothing else that can be done manually
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- Starting out
- Posts: 15
- Joined: Sat Feb 21, 2015 10:11 am
Re: Qtier issue with TS-473
Support said that if the flash array isn't healthy you can not remove the tier... So I backed everything up and blew out the storage space and just finished rebuilding it. This is what I get for using cheap SSD's for qtier and now have a pair of WD red m.2 ssd's I will be using wd red drives going forward.