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List: evms-devel
Subject: [Evms-devel] How to obliged EVMS to write changes to SnapShot
From: Leonid Shulov <Leonid.Shulov () entropic ! com>
Date: 2007-07-17 9:11:56
Message-ID: 1184663516.3931.35.camel () lshulov ! localdomain
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Hi NG,
I installed evms on Ubunta 2.5.5-18ub and buld StorageVol and SnapshotVol.
I can write to StorageVol and SnapshotVol. But SnapshotVol is empty.
My question is how to obliged EVMS to write changes in StorageVol to SnapShot.
Information about volumes is below:
0=Logical Volumes
Name Size Modified Active R/O \
Plug-in Mountpoint \
────────────────────────────┠\
€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â \
”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€ \
───────────────────────────────
/dev/evms/SnapshotVol 2.6 TB X \
FAT32 /mnt/SnapShot /dev/evms/StorageVol 2.6 TB \
X XFS /srv /dev/evms/cciss/c0d0p1 43.1 MB \
X Ext2/3 /boot /dev/evms/cciss/c0d0p2 3.7 GB \
X SWAPFS /dev/evms/cciss/c0d0p5 3.7 GB \
X Ext2/3 /dev/evms/lvm2/linux/ubnt704-usr 8.0 GB \
X Ext2/3 /dev/evms/lvm2/linux/ubnt704-var 8.0 GB \
X Ext2/3
Detailed Information - /dev/evms/SnapshotVol
Name Value \
────────────────────────────â \
”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€ \
────────────────────────────────────────────
Major Number 254 \
Minor Number 13 \
Mount Point /mnt/SnapShot \
File System Size 0 bytes \
Minimum File System Size 0 bytes \
Maximum File System Size 0 bytes \
Volume Size 2.6 TB \
Maximum Volume Size 1024.0 GB \
FAT Volume Name
Detailed Information - /dev/evms/StorageVol
Name Value
────────────────────────────┠\
€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â \
”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€â”€
Major Number 254
Minor Number 11
Mount Point /srv
File System Size 2.6 TB
Minimum File System Size 2.6 TB
Maximum File System Size 4194304.0 PB
Volume Size 2.6 TB
Maximum Volume Size 4194304.0 PB
XFS Magic Number 0x58465342
XFS Super Block Version Number 4
XFS State None
Volume Label FileStorage
Inline Log Size 128.0 MB
XFS Utilities Version 2.8.18
Allocation Group Count 32
Allocation Group Size 88345952
Stripe Unit 0 bytes
Stripe Width 0 bytes
df:
Filesystem 1K-blocks Used Available Use% Mounted on
/dev/cciss/c0d0p5 3842376 440184 3207004 13% /
/dev/mapper/cciss|c0d0p1
241116 47005 181663 21% /boot
/dev/mapper/linux-ubnt704--usr
8256952 399820 7437704 6% /usr
/dev/mapper/linux-ubnt704--var
8256952 392248 7445276 6% /var
/dev/evms/StorageVol 2826939392 180702632 2646236760 7% /srv
/dev/evms/SnapshotVol
3842376 440184 3207004 13% /mnt/SnapShot
--
Leonid Shulov <Leonid.Shulov@entropic.com>
Entropic Communications
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<PRE>
Hi NG,
I installed evms on Ubunta 2.5.5-18ub and buld StorageVol and SnapshotVol.
I can write to StorageVol and SnapshotVol. But SnapshotVol is empty.
My question is how to obliged EVMS to write changes in StorageVol to SnapShot.
Information about volumes is below:
<B>0=Logical Volumes</B>
Name &nb \
sp; \
Size Modified \
Active R/O \
Plug-in Mountpoint \
────────────&# \
9472;───────────^ \
72;──────────── \
;────────────& \
#9472;───────────	 \
472;───────────γ \
2;──────────── \
────────────&# \
9472;──────────────────
/dev/evms/SnapshotVol \
2.6 TB \
X \
FAT32 /mnt/SnapShot \
/dev/evms/StorageVol \
2.6 TB \
X \
XFS /srv \
/dev/evms/cciss/c0d0p1 \
43.1 MB \
X \
Ext2/3 /boot \
/dev/evms/cciss/c0d0p2 \
3.7 GB \
X \
SWAPFS /dev/evms/cciss/c0d0p5 \
3.7 GB \
X \
Ext2/3 /dev/evms/lvm2/linux/ubnt704-usr 8.0 \
GB \
X \
Ext2/3 /dev/evms/lvm2/linux/ubnt704-var 8.0 \
GB \
X \
Ext2/3
<B>Detailed Information - /dev/evms/SnapshotVol</B>
\
Name &nbs \
p; \
Value &nb \
sp;   \
; & \
nbsp; &nb \
sp; \
────────────& \
#9472;───────────	 \
472;───────────γ \
2;──────────── \
────────────&# \
9472;───────────^ \
72;──────────── \
;───────────────
Major \
Number \
254   \
; & \
nbsp; &nb \
sp;   \
; \
Minor \
Number \
13 \
&n \
bsp; &nbs \
p; \
&n \
bsp; \
Mount \
Point \
/mnt/SnapShot & \
nbsp; &nb \
sp;   \
; & \
nbsp; \
File System \
Size \
0 bytes & \
nbsp; &nb \
sp;   \
; & \
nbsp; \
Minimum File System \
Size 0 \
bytes &nb \
sp;   \
; & \
nbsp; &nb \
sp; \
Maximum File System \
Size 0 \
bytes &nb \
sp;   \
; & \
nbsp; &nb \
sp; \
Volume \
Size \
2.6 TB &n \
bsp; &nbs \
p; \
&n \
bsp; \
Maximum Volume \
Size \
1024.0 GB   \
; & \
nbsp; &nb \
sp;   \
; \
FAT Volume \
Name \
<B>Detailed Information - /dev/evms/StorageVol</B>
\
Name &nbs \
p; \
Value \
────────────&# \
9472;───────────^ \
72;──────────── \
;────────────& \
#9472;───────────	 \
472;───────────γ \
2;──────────── \
────────────────
Major \
Number \
254 \
Minor \
Number \
11 \
Mount \
Point \
/srv \
File System \
Size \
2.6 TB \
Minimum File System \
Size 2.6 \
TB \
Maximum File System Size 4194304.0 \
PB Volume \
Size \
2.6 TB \
Maximum Volume \
Size \
4194304.0 PB XFS Magic \
Number \
0x58465342 XFS Super Block \
Version Number \
4 \
XFS \
State \
None \
Volume \
Label \
FileStorage Inline Log \
Size \
128.0 MB XFS \
Utilities Version \
2.8.18 \
Allocation Group Count \
32 \
Allocation Group \
Size \
88345952 Stripe \
Unit \
0 bytes Stripe \
Width \
0 bytes
<B>df:</B>
Filesystem \
1K-blocks Used Available Use% Mounted \
on
/dev/cciss/c0d0p5 3842376 \
440184 3207004 13% /
/dev/mapper/cciss|c0d0p1
\
241116 47005 181663 \
21% /boot
/dev/mapper/linux-ubnt704--usr
\
8256952 399820 7437704 6% \
/usr
/dev/mapper/linux-ubnt704--var
\
8256952 392248 7445276 6% \
/var
/dev/evms/StorageVol 2826939392 180702632 2646236760 7% /srv
/dev/evms/SnapshotVol
\
3842376 440184 3207004 13% /mnt/SnapShot
</PRE>
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-- <BR>
Leonid Shulov <<A \
HREF="mailto:Leonid.Shulov@entropic.com">Leonid.Shulov@entropic.com</A>><BR> \
Entropic Communications </TD>
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