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Hitachi TAGMASTORE MK-90RD011-25 User Manual

Page 330

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Chapter 4 Performing CCI Operations

1. Offline backup used ‘raidscan-find sync’ for Windows NT file system:

‘raidscan-find sync’ flushes the system buffer through finding a logical drive which
corresponds to a group of the configuration file, so that the user will be able to use
without using -x mount and -x umount command. The following is an example for group
ORB.

P-VOL Side

S-VOL Side

Close all logical drives on the P-VOL by APP.

ƒ

Flush the system buffer for P-VOL using

“raidscan -pi $LETALL -find sync -g ORB”.

ƒ

Split the paired volume using “pairsplit -g ORB”

with r/w mode.

ƒ

Open all logical drives on the P-VOL by APP.

ƒ

Resynchronize the paired volume using

“pairresync -g ORB”.

ƒ

Back up the SVOL data.

ƒ

Flush the system buffer for SVOL updates using

“raidscan -pi $LETALL -find sync -g ORB” when the backup

is finished.

2. Offline backup used ‘raidscan-find sync’ for Windows 2008/2003/2000 file system:

‘raidscan-find sync’ flushes the system buffer associated to a logical drive through
finding a Volume{guid} which corresponds to a group of the configuration file so that the
user will be able to use without using -x mount and -x umount commands. The following
is an example for group ORB.

P-VOL Side

S-VOL Side

Close all logical drives on the P-VOL by APP.

ƒ

Flush the system buffer for P-VOL using

“raidscan -pi $Volume -find sync -g ORB”.

ƒ

Split the paired volume using “pairsplit -g ORB”

with r/w mode.

ƒ

Open all logical drives on the P-VOL by APP.

ƒ

Resynchronize the paired volume using

“pairresync -g ORB”.

ƒ

Flush the system buffer for NEW S-VOL data using

“raidscan -pi $Volume -find sync -g ORB”.

ƒ

Back up the SVOL data.

ƒ

Flush the system buffer for SVOL updates using

“raidscan -pi $Volume -find sync -g ORB” when the backup

is finished.

3. Online backup used ‘raidscan-find sync’ for Windows NT file system:

‘raidscan-find sync’ flushes the system buffer through finding a logical drive which
corresponds to a group of the configuration file, so that the user will be able to use
without using -x mount and -x umount commands. The following is an example for
group ORB.

P-VOL Side

S-VOL Side

Freeze DB on opening PVOL by APP.

ƒ

Flush the system buffer for PVOL using the

“raidscan -pi $LETALL -find sync -g ORB”.

ƒ

Splits the paired volume using

“pairsplit -g ORB” with r/w mode.

ƒ

Unfreeze DB on opening PVOL by APP.

ƒ

Resynchronize the paired volume using

“ pairresync -g ORB”.

ƒ

Back up the SVOL data.

ƒ

Flush the system buffer for SVOL updates using

“raidscan -pi $LETALL -find sync -g ORB”

when the backup is finished.