This is a discussion on Re: Filesystems in 7.0 & reliability - FreeBSD ; -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Hello Noberto, Norberto Meijome wrote: > Hi everyone, > I've been using 7 for a couple of weeks now on my work laptop (kickstarted by cooling issues while in 6.2, which seem to have ...
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Norberto Meijome wrote:
> Hi everyone,
> I've been using 7 for a couple of weeks now on my work laptop (kickstarted by cooling issues while in 6.2, which seem to have largely gone in 7).
> I have a 100GB SATA drive in a Thinkpad Z60m with
> CPU: Intel(R) Pentium(R) M processor 2.00GHz (1995.02-MHz 686-class CPU)
> Origin = "GenuineIntel" Id = 0x6d8 Stepping = 8
> real memory = 1609433088 (1534 MB)
> avail memory = 1567780864 (1495 MB)
> I installed 7 on a normal UFS disk, but then migrated to having /usr in a UFS journaled partition , with a 1.5 GB journal on ad0s1h . I didn't have any issue that I could directly relate to it. I had more hangs than now (i reverted back to plain UFS due to too many lock ups). The lock ups didnt leave any message or error anywhere - it seemed as if the disk subsystem stopped accepting commands (or was waiting on something ...) - anything in memory would work just fine, but as soon as disk access was needed, it 'd stall.
Did you check your harddrive? There are tools available in ports (sorry,
I forgotten how they are called) that can access the drives internal
Maybe your drive has an error and locks up all of a sudden. Since a
journal leads to more disk activity it would be normal for a hardware
related error to happen more early.
I might be pretty wrong here, but the T60 has an internal movement
sensor that needs some software to turn of the hard drive. Maybe your
laptop has a sensor too, but the logic behind it is implemented in
> Something else i also noticed is that, after every crash, I couldn't just reboot and use my computer just fine, as I would have expected - maybe I'm wrong here.
> I had to go into single user mode, and run a fsck /dev/ad0s1f.journal . this takes about 4 minutes. Hardly any errors were ever found (as opposed to my non-journal partitions, which had files de-referenced ,etc.) So I suppose, in that regards, gjournal worked great.... but is the fsck needed??
> I am also very interested in what zfs has to offer. How reliable is it? I am looking into using it both on my laptop, and as a filesystem for some large storage , possibly.
You might want to search the list archives (especially freebsd-current)
to get some details on ZFS and possible problems regarding it. There
seems to be an issue with ZFS and Samba and/or NFS.
A nice summary is in the archives:
I don't know what the current status is, thou. And I never suffered from
this error. In fact I'm using a raidz with 4x400GB HDDs. One use is as a
storage for satellite video streams, so there are pretty big files
written to it using NFS.
One thing I really like about ZFS is that it gets rid of the old
partition/slice paradigm. You'll never be angry with yourself again
because you selected the wrong size for your partition/slices.
> thanks for any ideas, comments, pointers
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