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- Newsgroups: comp.sys.sun.misc
- Path: sparky!uunet!pipex!warwick!fulcrum!igb
- From: igb@fulcrum.co.uk (Ian G Batten)
- Subject: Re: Disk MIRRORing for a Sparc II or "Sparc Cla
- Message-ID: <Bxt9oL.DLx@fulcrum.co.uk>
- Sender: news@fulcrum.co.uk
- Organization: Fulcrum Communications
- References: <lg3cl8INNpj0@jethro.Corp.Sun.COM> <BxM69K.Hn2@fulcrum.co.uk> <1992Nov14.122712.12086@ukw.uucp>
- Date: Mon, 16 Nov 1992 13:33:57 GMT
- Lines: 22
-
- In article <1992Nov14.122712.12086@ukw.uucp> lupe@ukw.uucp (Lupe Christoph) writes:
- > igb@fulcrum.co.uk (Ian G Batten) writes:
- > >And it's damn good! My 4/690-120 use it on its own root, /usr and
- > >/local and the roots it exports to its clients, so our workstations will
- > >survive a disk outage (well, they would panic as their swap went away
- > >but immediately reboot).
- >
- > Why don't you mirror swap as well? The small performance loss due to
- > ODS is acceptable if you compare it to the big hit you take from
- > swapping at all. And you can then run totally uniterrupted.
-
- It mirrors its own swap, but not /export/swap --- that's rather large.
-
- > >I have a spare partition for dumping: I run disk shadowing up onto the
-
- > But I would recommend doing this only if you have three-way mirroring.
- > Your system will be vulnerable to the other disk breaking if you use
- > only a two-way mirror and take one half out.
-
- Agreed.
-
- ian
-