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<div class="moz-cite-prefix">On 10/11/18 4:31 PM, Emmanuel Gelati
wrote:<br>
</div>
<blockquote type="cite"
cite="mid:CAE7pJ3DZn9H5BXSuTo=uuFfVZQYxYymvzaAN21hCfhA+=AWO5w@mail.gmail.com">
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<div dir="ltr">If you use sdb only for data, you don't have need
to use partition on the disk.<br>
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<p>Though that's true, keeping 1 partition per disk for each LVM PV
adds additional<br>
'visibility' by tools like fdisk/[cs]fdisk, parted etc. showing
the partition type to be 'Liinux LVM'.<br>
</p>
<p>Using the whole disk, blkid or lsblk will provide that
information still,<br>
e.g. 'blkid --match-token TYPE=LVM2_member'.</p>
<p>Heinz<br>
</p>
<blockquote type="cite"
cite="mid:CAE7pJ3DZn9H5BXSuTo=uuFfVZQYxYymvzaAN21hCfhA+=AWO5w@mail.gmail.com"><br>
<div class="gmail_quote">
<div dir="ltr">Il giorno gio 11 ott 2018 alle ore 16:26 David
Teigland <<a href="mailto:teigland@redhat.com"
moz-do-not-send="true">teigland@redhat.com</a>> ha
scritto:<br>
</div>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">On Thu, Oct
11, 2018 at 08:53:07AM +0545, Sherpa Sherpa wrote:<br>
> I have LVM(backed by hardware RAID5) with logical volume
and a volume group<br>
> named "dbstore-lv" and "dbstore-vg" which have sdb1 sdb2
sdb3 created from<br>
> same sdb disk.<br>
<br>
> sdb 8:16 0 19.7T 0
disk<br>
> ├─sdb1 8:17 0 7.7T 0
part<br>
> │ └─dbstore-lv (dm-1) 252:1 0 9.4T 0
lvm /var/db/st01<br>
> ├─sdb2 8:18 0 1.7T 0
part<br>
> │ └─dbstore-lv (dm-1) 252:1 0 9.4T 0
lvm /var/db/st01<br>
> └─sdb3 8:19 0 10.3T 0
part<br>
> └─archive--archivedbstore--lv (dm-0) 252:0 0
10.3T 0 lvm<br>
<br>
> I am assuming this is due to disk seek problem as the
same disk partitions<br>
> are used for same LVM or may be its due to saturation of
the disks<br>
<br>
You shouldn't add different partitions as different PVs. If
it's too late<br>
to fix, it might help to create new LV that uses only one of
the<br>
partitions, e.g. lvcreate -n lv -L size vg /dev/sdb2, and then
copy your<br>
current LV to the new one.<br>
<br>
_______________________________________________<br>
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rel="noreferrer" target="_blank" moz-do-not-send="true">https://www.redhat.com/mailman/listinfo/linux-lvm</a><br>
read the LVM HOW-TO at <a
href="http://tldp.org/HOWTO/LVM-HOWTO/" rel="noreferrer"
target="_blank" moz-do-not-send="true">http://tldp.org/HOWTO/LVM-HOWTO/</a></blockquote>
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<br clear="all">
<br>
-- <br>
<div dir="ltr" class="gmail_signature"
data-smartmail="gmail_signature"> .~.<br>
/V\<br>
// \\<br>
/( )\<br>
^`~'^</div>
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<pre class="moz-quote-pre" wrap="">_______________________________________________
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read the LVM HOW-TO at <a class="moz-txt-link-freetext" href="http://tldp.org/HOWTO/LVM-HOWTO/">http://tldp.org/HOWTO/LVM-HOWTO/</a></pre>
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