ATTO Technology 2390D Setup Guide download pdf (Page 201)

meta-data=/dev/vg00/lvol1 agcount=128, agsize=1066667

blks

= sectsz=512 attr=0

data = bsize=4096 blocks=134400000,

imaxpct=25

= sunit=16 swidth=64 blks,

unwritten=1...

2 From the diagnostic information printed in the previous step, note the

following values:

■ agsize on the first line

■ sunit and swidth on the fourth line

3 Depending on the values of sunit and swidth, calculate a new agsize value

using one of the following three methods:

■ If the values of sunit and swidth are both equal to 0, multiply the

agsize value by 4096. For example (your values will differ):

1066667 * 4096 = 4369068032

Proceed to step 4 using the value calculated above as the new agsize

value.

■ If the command displays a warning message about the agsize being

a multiple of the stripe width, multiply the agsize value by 4096, and

subtract the sunit value multiplied by 4096. For example (your values

will differ):

1066667 * 4096 = 4369068032

16 * 4096= 65536

4369068032 - 65536 = 4369002496

Proceed to step 4 using the value calculated above as the new agsize

value.

■ If the values of sunit and swidth are not equal to 0, and no warning

message appears, proceed to step 4 using the agsize value displayed

by the mkfs.xfs command in step 1.

4 Run the mkfs.xfs command again to create the XFS filesystem on the

device /dev/vg00/lvol1 using the value calculated in one of the previous

steps. Type:

mkfs.xfs -d agsize=<new agsize> -f /dev/vg00/lvol1

For example (your values will vary):

mkfs.xfs -d agsize=4369068032 -f /dev/vg00/lvol1

The filesystem is created on the storage array.

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ATTO Technology 2390D Setup Guide Page 201