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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>The software RAID (md) puts info on the
disks to identify which are part of the RAID which is why this worked for you.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>It is also why they often suggest you use
label on simple partions and refer to those in /etc/fstab instead of the
partition names.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Only God knows why they can’t just
mark the disks at install and keep track of them in Linux like every other UNIX
OS does. I recall how frustrated I was when it turned out Solaris would
rename tape drives based on discovery at boot rather than keeping the same name
all the time. At least they had a way to setup “persistence” in the
st.conf.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>And I’m old enough that the start of
“uuid” makes me think it ought to have something to do with serial
file transfers rather than disk names.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> ale-bounces@ale.org
[mailto:ale-bounces@ale.org] <b><span style='font-weight:bold'>On Behalf Of </span></b>Jim
Kinney<br>
<b><span style='font-weight:bold'>Sent:</span></b> Tuesday, November 11, 2008
11:23 PM<br>
<b><span style='font-weight:bold'>To:</span></b> <st1:PersonName w:st="on">ale@ale.org</st1:PersonName><br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [ale] SATA disk
naming</span></font><o:p></o:p></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>The drive ordering is
based more on the device ordering from the pci bus scan and sata init.
Check what cat /proc/scsi/scsi says. I bet the new sdb even though it's in a
sata#3 socket has a lower lun than sata#2.<br>
<br>
And yes, this is why the transition to UUID is happening for distros like
Fedora. I think Ubuntu also does drives by UUID as well. For some reason I
don't find UUID=c2a3c3bd-414c-4c30-a83c-38e69551808a easier to read than
/dev/sda<o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>On Tue, Nov 11, 2008 at 10:18 PM, Chris Fowler <<a
href="mailto:cfowler@outpostsentinel.com">cfowler@outpostsentinel.com</a>>
wrote:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Here is something that happened to me strange today.<br>
<br>
We have a server we are using to run VMware Server 2.0. It has<br>
2 250GB SATA drives used as a RAID1 array. These devices are sda<br>
and sdb.<br>
<br>
I noticed an ad at MicroCenter for a 1TB SATA drive @ $129. We took<br>
the ad to Fry's in Alpharetta and they matched the priced. I installed<br>
the drive in the 3rd SATA port on the MB. I booted Linux and for some<br>
odd reason Linux made the 1TB drive sdb and pused the old sdb to sdc.<br>
Not a real problem because the md driver was able to figure this out. I<br>
thought maybe the vendor who build the server plugged the cables in wrong<br>
but I checked and everything looked good.<br>
<br>
Is there a reason this happened? Can I force a drive to a device<br>
name by using a command line argument while booting Linux?<br>
<br>
On another note, I can't believe that a 1TB drive can be had for $130!<br>
We are going to use it to backup non-critical data.<br>
<br>
--<br>
Chris Fowler<br>
OutPost Sentinel, LLC<br>
Support @ SIP/<a href="mailto:support@pbx.opsdc.com">support@pbx.opsdc.com</a><br>
or 678-804-8193<br>
Email Support @ <a href="mailto:support@outpostsentinel.com">support@outpostsentinel.com</a><br>
<br>
<br>
_______________________________________________<br>
Ale mailing list<br>
<a href="mailto:Ale@ale.org">Ale@ale.org</a><br>
<a href="http://mail.ale.org/mailman/listinfo/ale" target="_blank">http://mail.ale.org/mailman/listinfo/ale</a><o:p></o:p></span></font></p>
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<p class=MsoNormal style='margin-bottom:12.0pt'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'><br>
<br clear=all>
<br>
-- <br>
-- <br>
James P. Kinney III <o:p></o:p></span></font></p>
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