NetApp Commands

Alignment

CDOT 8.3:

netapp-svm1::> set -priv diag
netapp-svm1::*> lun alignment show -vserver svm_kerberos_backup -fields vserver,lun,alignment -path /vol/kerberos_vol_luns_backup/kerberos_lun_*
vserver    path                              lun          alignment 
---------- --------------------------------- ------------ --------- 
svm_backup /vol/vol_luns_backup/lun_1.bcklun lun_1.bcklun aligned   
svm_backup /vol/vol_luns_backup/lun_2.bcklun lun_2.bcklun aligned   
svm_backup /vol/vol_luns_backup/lun_3.bcklun lun_3.bcklun aligned   
svm_backup /vol/vol_luns_backup/lun_4.bcklun lun_4.bcklun aligned   
4 entries were displayed.
netapp-svm1::> set -priv admin

To see on which bucket the reads and writes occure:

netapp-svm1::> set -priv diag
netapp-svm1::*> lun alignment show -vserver svm_kerberos_backup -fields vserver,lun,alignment,read-histogram,write-histogram -path /vol/kerberos_vol_luns_backup/kerberos_lun_**
vserver    path                              lun          alignment write-histogram  read-histogram   
---------- --------------------------------- ------------ --------- ---------------- ---------------- 
svm_backup /vol/vol_luns_backup/lun_1.bcklun lun_1.bcklun aligned   99,0,0,0,0,0,0,0 99,0,0,0,0,0,0,0 
svm_backup /vol/vol_luns_backup/lun_2.bcklun lun_2.bcklun aligned   99,0,0,0,0,0,0,0 99,0,0,0,0,0,0,0 
svm_backup /vol/vol_luns_backup/lun_3.bcklun lun_3.bcklun aligned   99,0,0,0,0,0,0,0 99,0,0,0,0,0,0,0 
svm_backup /vol/vol_luns_backup/lun_4.bcklun lun_4.bcklun aligned   99,0,0,0,0,0,0,0 99,0,0,0,0,0,0,0 
4 entries were displayed.
netapp-svm1::> set -priv admin

Performance

filer> priv set -q diag ; statit -b ; sysstat -x -s -c 20 3 ; statit -e ; priv set

filer> priv set -q diag ; stats show lun:*:avg_latency ; priv set

Flashpool

filer> priv set -q diag ; stats show -p hybrid_aggr ; priv set

User

Create snapshot user

security login role create      -vserver svm1       vol-snapshot-only -cmddirname DEFAULT -access none
security login role create      -vserver svm1       vol-snapshot-only -cmddirname "security login publickey" -access all
security login role create      -vserver svm1       vol-snapshot-only -cmddirname "volume snapshot" -access readonly
security login role create      -vserver svm1       vol-snapshot-only -cmddirname "volume snapshot create" -access all
security login      create      -vserver svm1 -role vol-snapshot-only -user-or-group-name snapshot-user -application ssh -authmethod publickey -comment "Snapshot User"

security login publickey create -vserver svm1                                   -username snapshot-user -publickey "ssh-rsa AAAAB3Nz...geX33k5 snapshot-user"

Links

• Brief Notes on Advanced Troubleshooting in CDOT