| From: | tc lewis <tcl(at)bunzy(dot)net> |
|---|---|
| To: | Alfred Perlstein <bright(at)wintelcom(dot)net> |
| Cc: | adb <adb(at)Beast(dot)COM>, Shaw Terwilliger <sterwill(at)sourcegear(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Re: Re: PostgreSQL over NFS? |
| Date: | 2001-02-10 01:08:10 |
| Message-ID: | Pine.LNX.4.10.10102092006340.6306-100000@magician.bunzy.net |
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| Thread: | |
| Lists: | pgsql-general |
> >
> > how's that? storage arrays will require you to use a filesystem that your
> > operating system supports. or do some storage array companies provide
> > their own filesystems and drivers for misc systems? same thing i guess.
>
> It has a persistant write cache, meaning it can ACK a write as being
> sync'd to disk even if it's only been copied into the RAID's memory
> cache (because it's persistant). Same thing that netapp does.
>
hmm, i suppose. i guess the filesystem wouldn't need to understand the
logic of the underlying device. not sure. i don't think i've ever been
presented with a storage array that does what you're saying (not saying
they don't exist).
-tcl.
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