We've got problems
Mike McGrath
mmcgrath at redhat.com
Thu Dec 18 21:16:39 UTC 2008
On Thu, 18 Dec 2008, Mike McGrath wrote:
> nfs1:
>
> NFS1's IO load is just not right. Something isn't behaving as it should
> and I'm just not sure whats going on there yet. We need to do a full
> examination and trend of it. This involves moving cvs1 to another
> location and involves moving releng2 to xen1 to help ease some load.
> Additionally we need to move kojipkgs1 to another location (probably xen1)
> and enable a proper caching for it. We also need to finally get a valid
> backup of nfs1. This still hasn't happened. Its difficult to test
> because of the high load on the disks, backups take 4+ days. lots of
> things can go wrong during that time.
>
>
> Tickets: #1061, #1074, #1075, #1076.
>
more background on this, I know releng and some others are working to do
fewer reads and writes to the nfs share. Thats a valuable effort, but I'm
not convinced there's not something else going on there. The read/write
speeds I've seen just are slower then I'd expect.
-Mike
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