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Re: [dm-devel] Problem Delay construction of multipath device



hi,

i use rhel 5.4 and my hw/sw config is supported. how can i open a case. you have the link ?

Thanks.

2010/1/12 Gianluca Cecchi <gianluca cecchi gmail com>
On Mon, Jan 11, 2010 at 12:16 PM, Chelly Youssef (ISEFC)
<chilonnb gmail com> wrote:
> Problem: Delay construction of multipath device (/ dev/dm-3)
[snip]

> My fstab :
[snip]

[snip]
> I made the upgrade to Redhat 5.4 (2.6.18-164.el5) but I have not solved the
> problem. It must be done at boot
>
> How I can do. I can give you my "sosreport" if you want.
[snip]

I don't know if you have some problems related to latencies or oher,
but I have two comments:

- In general, at least in rh el 5.x, dm-x names are not persistent
across reboots, so I think it is not safe to directly refer them in
fstab.
You can make a label on the fs, such as this, if they are ext2/3/4

tune2fs -L homefs /dev/mpath2 (with /home umounted and pointing to
mpath2 in this case)

and then in fstab
LABEL=homefs             240G  148G   93G  62% /home

or create a volume group and refer the LV with something like this in
fstab (VG=vgname, LV=lvname) in the first column:
/dev/mapper/vgname-lvname

- If you are using rh el 5.4 and your hw/sw config is supported you
can open a case....

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