Solaris x86 - multiple problems Post: 302171966

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Operating Systems Solaris Solaris x86 - multiple problems Post 302171966 by ba72 on Saturday 1st of March 2008 11:10:12 AM

03-01-2008

Registered User

Solaris x86 - multiple problems

Recently installed a custom PC with Solaris 10 u4, kernelpatch 127112-10.

I was going to use this box as a NAT router using ipf. ipf however caused the box to panic multiple times. This in turn lead to a couple other issues that I would like some input of.

- None of the panic's i've experienced forced the box to reboot. It got stuck in some strange state without monitor signal. The only workaround was reset/powercycle. Strangely enough, after ipf related panics the machine was responding to ping.

- After panic's, my / filesystem didn't pass fsck even though my / fs was logging. Running fsck got really messy, a lot of errors - at one time I even experienced a UFS related panic after reboot/fsck.

- The boot-archive problems after panics. Never really got recovery of the boot-archive to work. I followed the instructions after booting safe mode: mount the boot-disk (one side of the disksuite-mirror), updated the boot-archive. Still complained after reboot.

- On recent reboots, fsck complained that there were problems with the /-filesystem, but it still mounted / and continued on with the boot - UFS panic when trying to logon.

- After the last panic and boot-archive update, I was unable to boot at all. Complained about trying to read blocks outside boot-area or similar. Never tried to recover from here, at this stage I decided to reinstall the box since even if managing to fix the bootaarchive, the state of the / fs seems to be very dodgy.

- When booting in safe-mode to fix fsck problems with root, md-devices are not started and / was mounted ro from one side of the mirror (regardless of booting safemode from HD or DVD). Is there a best practice or decent workaround for doing fsck on the md-device for root at this stage?

Have any of you experienced similar oddities, esp. the filesystem errors after panic even though using UFS logging? What can be the cause of such problems? I shouldn't rule out HW/SATA controller problems (even though I doubt it) or similar, anything else?

The problem of not rebooting after panic, can that also be HW related? Some special measures to take on x86 platforms (custom pc hw) to force reboot on panic?

Anyone been running IPF as a NAT router without problems? I used the freeware ipf on Solaris 9/sparc previously and that was very stable apart from when using VPN passthrough which always panic:ed the box after a while. Saw the exact same behaviour in Solaris ipf now but this one also panics without without VPN (I applied the latest ipf-patch)

Not used to Solaris on x86, any pointers welcome!

Thanks

ba72

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LEARN ABOUT FREEBSD

systemd-fsck

SYSTEMD-FSCK@.SERVICE(8)				       systemd-fsck@.service					  SYSTEMD-FSCK@.SERVICE(8)

NAME

       systemd-fsck@.service, systemd-fsck-root.service, systemd-fsck - File system checker logic

SYNOPSIS

       systemd-fsck@.service

       systemd-fsck-root.service

       /lib/systemd/systemd-fsck

DESCRIPTION

       systemd-fsck@.service and systemd-fsck-root.service are services responsible for file system checks. They are instantiated for each device
       that is configured for file system checking.  systemd-fsck-root.service is responsible for file system checks on the root file system, but
       only if the root filesystem was not checked in the initramfs.  systemd-fsck@.service is used for all other file systems and for the root
       file system in the initramfs.

       These services are started at boot if passno in /etc/fstab for the file system is set to a value greater than zero. The file system check
       for root is performed before the other file systems. Other file systems may be checked in parallel, except when they are on the same
       rotating disk.

       systemd-fsck does not know any details about specific filesystems, and simply executes file system checkers specific to each filesystem
       type (/sbin/fsck.*). This helper will decide if the filesystem should actually be checked based on the time since last check, number of
       mounts, unclean unmount, etc.

       If a file system check fails for a service without nofail, emergency mode is activated, by isolating to emergency.target.

KERNEL COMMAND LINE

       systemd-fsck understands these kernel command line parameters:

       fsck.mode=
	   One of "auto", "force", "skip". Controls the mode of operation. The default is "auto", and ensures that file system checks are done
	   when the file system checker deems them necessary.  "force" unconditionally results in full file system checks.  "skip" skips any file
	   system checks.

       fsck.repair=
	   One of "preen", "yes", "no". Controls the mode of operation. The default is "preen", and will automatically repair problems that can be
	   safely fixed.  "yes" will answer yes to all questions by fsck and "no" will answer no to all questions.

SEE ALSO

       systemd(1), fsck(8), systemd-quotacheck.service(8), fsck.btrfs(8), fsck.cramfs(8), fsck.ext4(8), fsck.fat(8), fsck.hfsplus(8),
       fsck.minix(8), fsck.ntfs(8), fsck.xfs(8)

systemd 237														  SYSTEMD-FSCK@.SERVICE(8)

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