I am guessing you meant Xuartctl servers by serial servers?
--- In "jongsoo_k" <> wrote:
>
> Great to see your email. I am not the only one who went crazy here.
>
> BTW, what are the serial servers?
> You means console server? ( sorry for this)
>
> From my syslog, i am having these error messages.
>
> Jan 1 00:01:05 ts7500 kernel: [ 1.850000] EXT3-fs warning (device nbd9):
> ext3_clear_journal_err: Filesystem error recorded from previous mount: IO
> failure
> Jan 1 00:01:05 ts7500 kernel: [ 1.850000] EXT3-fs warning (device nbd9):
> ext3_clear_journal_err: Marking fs in need of filesystem check.
>
>
> I think the error has something to do with NBD server.
>
> Do you know around when TS fixed this issue?
> Are you also using TS7500?
> I am using Mar 11 2011 image.
>
> Thank you for your help in advance.
>
>
> Jongsoo
>
>
>
>
> --- In Walter Marvin <walter.marvin@> wrote:
> >
> > That drove me crazy for about 4 months. There is a bug in the TS serial
> > servers that solved the problem for me. What would happen is that the
> > serial servers would invalidate part of the file system. You would get
> > all kinds of strange results. Technologic made patches based on that error.
> > Check with them for the latest serial patches.
> >
> > To convert data ext3 to ext2 is simple: backup the ext3 reformat with ext2,
> > then restore the data. Tachnologics root file system can't be converted
> > that way because of journaling and other considerations.
> >
> >
> >
> > ________________________________
> > From: jongsoo_k <bstrt2003@>
> > To:
> > Sent: Sunday, September 25, 2011 12:34 AM
> > Subject: [ts-7000] Re: TS-7553 MicroSD longevity
> >
> >
> > Â
> > Hi Walter or anyone
> >
> > I am having nightmare with TS7500.
> > Many files in my SD card becomes read-only in 3- 4 weeks.
> > Finally apache stops and nothing seems working...
> >
> > I would like to implement "noatime".
> >
> > My system also has battery-back-up. It detects power off and the system
> > shutdowns smoothly.
> > I want to try ext2 based on you comment since my system has battery.
> >
> > My question is how to convert Ext3 to Ext2. The Debian package from TS is
> > Ext3.
> >
> > Thanks
> >
> > Jongsoo
> >
> > --- In Jim Jackson <jj@> wrote:
> > >
> > >
> > >
> > >
> > > On Sun, 15 May 2011, walter marvin wrote:
> > >
> > > > My info is infinite reads but limited writes this means that you must
> > > > use
> > > > a journaling file system or build in track remapping
> > >
> > > Not sure that makes sense. In fact a journalling file system INCREASES
> > > writes - first to write the update details to the journal, then to
> > > do the updates, then the make the update done in the journal.
> > >
> > > The use of a journalling file system helps if the system is likely
> > > to suffer unexpected power loss etc. When it comes back up, any
> > > uncompleted
> > > transactions can be verified and completed, and there is usually no need
> > > for a very lengthy file system integrety check.
> > >
> > > As an engineer it's up to you decide the trade offs and decide which is
> > > more important. My own systems have battery backup, allowing graceful
> > > shutdown, so I use ext2 (mounted with "noatime") to reduce writes. If I
> > > didn't use battery backup, I'd use ext3, and stand the write hit to give
> > > me
> > > better file system integrety.
> > >
> > > >
> > > > --- On Sun, 5/15/11, parkranger_dan <dkeller76@> wrote:
> > > >
> > > > From: parkranger_dan <dkeller76@>
> > > > Subject: [ts-7000] TS-7553 MicroSD longevity
> > > > To:
> > > > Date: Sunday, May 15, 2011, 1:37 PM
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Ã?Â
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Hey guys. I posted awhile back when having some functionality
> > > > issues with a TS-7200 and realized the 7553 was really the platform I
> > > > should have been working with from the get-go.
> > > >
> > > >
> > > >
> > > > Sweet little box this 7553. I've gotten all my software ported over
> > > > and it's working perfect. After only a couple weeks with it, I think
> > > > I'm ready for deployment.
> > > >
> > > >
> > > >
> > > > We'll be preparing quite a few of these little guys. Having the
> > > > ability to insert a pre-imaged MicroSD, set one jumper, and run one
> > > > command (rm linuxrc; ln -sf /linuxrc-sdroot /linuxrc; save) to change
> > > > the boot is very attractive in terms of quick deployment, and easy
> > > > field upgrade (send customer a new MicroSD card, done!).
> > > >
> > > >
> > > >
> > > > One question I had was in regard to the longevity of these little
> > > > MicroSD cards, and their resilience to repeated power loss.
> > > >
> > > >
> > > >
> > > > Customers will not have the ability to shutdown nicely, power will
> > > > always be removed to turn off. I based my image from the latest.dd
> > > > image available from the Technologic website, which if I remember
> > > > correctly is formatted ext3.
> > > >
> > > >
> > > >
> > > > Has anyone had any experience with a similar setup? How are the boxes
> > > > holding up, and have the MicroSD cards been lasting?
> > > >
> > > >
> > > >
> > > > I've been also pondering making use of the xnand drive with a custom
> > > > busybox that includes the compiled apps i need and just script the
> > > > flashing process to ease prep/deployment. I know bootup time would be
> > > > significantly better than my current 1 minute timeframe, and resilience
> > > > would be better. Downside would be that I lose the ability to do
> > > > remote software updates. Anyway, I have yet to break ground on that
> > > > idea, or even wrap my brain around how that's done.
> > > >
> > > >
> > > >
> > > > Thanks!
> > > >
> > > > Dan
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
> > >
> >
>
------------------------------------
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/ts-7000/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/ts-7000/join
(Yahoo! ID required)
<*> To change settings via email:
<*> To unsubscribe from this group, send an email to:
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
|