SUMMARY: Missing filespace on advfs domain?
> Thank you to everyone that replied to my problem regarding "missing"
> filespace on an advfs domain. Many of you pointed out to me that using
> the "df" command, which was designed for UFS, is not a good way to get
> accurate readings on an ADVFS system. Thanks especially to Dr. Blinn for
> his detailed explanation of the way the "df" command works, and why it
> isn't always useful when dealing with advfs.
>
> On the recommendation of several admins, I used the "showfdmn" command to
> show the actual amount of space available to my file domain (sap_domain2)
> as a whole. There were two other filesets in the domain that were hogging
> most of the available space, which accounts for the distinct lack of disk
> resources in the directory I was reporting a problem with. Fileset quotas
> are not enforced on this domain, and I was not aware that a particular
> fileset can take up all of the available diskspace for an entire domain,
> depriving any other filesets in the domain of any disk capacity. The two
> offending filesets in my domain have been cleaned up, and I now have
> plenty of room in the fileset I originally reported the problem on. I'm
> now looking into how best to go about setting fileset quotas in this
> domain, so this problem can be avoided in the future.
>
> Thanks again,
>
> Pearce Statts
> GE Fanuc Automation IT
>
>
>
> Original problem included below:
>
> Admins,
>
> I'm trying to troubleshoot a problem on one of our 8400 machines. I have
> an advfs directory set up that serves as a temporary holding space for
> archive files until they're moved to tape backup. The problem I'm
> encountering is that this holding space is continually filling up, which
> is causing the backup to fail. The obvious answer is to add more capacity
> to the holding space, but I think there's something wrong with the file
> system. I cd'ed to the holding space directory, and did a "df -k ." on
> it. Below is the result:
>
> Filesystem 1024-blocks Used Available Capacity
> Mounted on
> sap_domain2#PRD-netbakPRD2 17773520 18 1135512 1%
> /oracle/PRD/netbakPRD2
>
> Please correct me if I'm wrong, but since the directory is almost
> completely empty, shouldn't the space listed as "Available" be almost
> equal to the space listed beneath "1024-blocks"? I've searched for
> possible space hogs, including hidden files, but the directory in question
> is almost entirely clear, and the few files that are there are all very
> small in size.
>
> By way of comparison, here is another directory on the same system, that
> performs a similar task to the holding directory listed above (and is also
> the exact same size).
>
> Filesystem 1024-blocks Used Available Capacity
> Mounted on
> sap_domain2#PRD-netbakPRD 17773520 225752 16398440 2%
> /oracle/PRD/netbakPRD
>
> Here, you can see that the "Available" space is very close to the maximum
> space listed under "1024-blocks".
>
> I'm confounded as to what the problem is with /oracle/PRD/netbakPRD2. It
> claims to have plenty of free space, but doesn't seem to want to make any
> of it available. There have been no errors reported by this advfs domain
> or the disk it's hosted on. Does anyone have any advice? Where's my
> space?
>
> Thanks,
>
> Pearce Statts
> GE Fanuc Automation IT
> pearce.statts_at_gefanuc.com
>
>
Received on Thu Mar 28 2002 - 20:04:36 NZST
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