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increase SWAP on ZFS file system

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Operating Systems Solaris increase SWAP on ZFS file system
# 1  
Old 10-04-2011
increase SWAP on ZFS file system
Hi All,
I am using this commands to dynamically increase ZFS swap space on Solaris
my question is:
1- after i make these commands it will permanent or it will remove after restart
2- how to make it permanent

Code:
 # swap -l
  swapfile dev swaplo bloques libre
  /dev/zvol/dsk/rpool/swap 256,2 16 2097136 2097136
  # zfs set volsize=2G rpool/swap
  # env NOINUSE_CHECK=1 swap -a /dev/zvol/dsk/rpool/swap $((8+2097136))
  # swap -l
  swapfile dev swaplo bloques libre
  /dev/zvol/dsk/rpool/swap 256,2 16 2097136 2097136
  /dev/zvol/dsk/rpool/swap 256,2 2097152 2097152 2097152

# 2  
Old 10-04-2011
You need to put an entry in /etc/vfstab file.
Code:
#echo "/dev/zvol/dsk/rpool/swap -  -  swap  -  no   -" >> /etc/vfstab

Code:
#/usr/sbin/swap -a /dev/zvol/dsk/rpool/swap

This User Gave Thanks to h@foorsa.biz For This Post:
jim mcnamara
# 3  
Old 10-04-2011
i tried this 2 command and i got this result
Code:
-bash-3.00# echo "/dev/zvol/dsk/rpool/swap -  -  swap  -  no   -" >> /etc/vfstab
You have new mail in /usr/mail/root

this line as been add to /etc/vfstab
Code:
-bash-3.00# /usr/sbin/swap -a /dev/zvol/dsk/rpool/swap
/dev/zvol/dsk/rpool/swap is currently used by swap. Please see swap(1M).
-bash-3.00#

i think no need to make the second command because it is already done "is that correct or not "
# 4  
Old 10-04-2011
Quote:
Originally Posted by osmanux
i tried this 2 command and i got this result
[CODE]
Code:
-bash-3.00# /usr/sbin/swap -a /dev/zvol/dsk/rpool/swap
/dev/zvol/dsk/rpool/swap is currently used by swap. Please see swap(1M).
-bash-3.00#

i think no need to make the second command because it is already done "is that correct or not "
You have a new mail due to the newer vfstab entry just read your email.

Yes you are right no need to issue the second command.
Otherwise issue the following commands again
1- Remove swap sapce.
Code:
# swap -d /dev/zvol/dsk/rpool/swap

2- Make sure that the swap sapce you have configured doesn't exist.
Code:
# swap -l

3- Re add the swap sapce again.
Code:
#swap -a /dev/zvol/dsk/rpool/swap

Last edited by h@foorsa.biz; 10-04-2011 at 05:16 PM..
# 5  
Old 10-05-2011
try this code

Code:
#swap -a /dev/zvol/dsk/rpool/swap

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