Q:
Why is the tar logs tech-support saved with .7z extension in controller dir(flash)?
Starting from 8.3.0.13, 8.5.0.7 and 8.6.0.3 the controller logs will be saved with extension tar.7z.
Earlier controller logs + tech-support logs were compressed with basic 'gzip' compression.
To address the inefficient compression, 7za tool is chosen for archiving various data on the controllers. 7za provides many adjustable parameters that enable faster and better compression.
(Aruba-VPNC) [MDC] #tar logs tech-support This operation may take a while, Please do not power cycle the box (AAruba-VPNC) [MDC] #dir -rw-r--r-- 1 root root 4241 Apr 11 00:27 AUDITTRAIL-HISTORY.log -rw-r--r-- 1 root root 42076 Apr 11 00:27 AUDITTRAIL-LOGIN_OUT-HISTORY.log -rw-r--r-- 1 root root 152 May 12 01:27 blimits -rw-r--r-- 1 root root 40 Apr 10 07:20 bmap -rw-r--r-- 1 root root 11935 Apr 10 07:15 default.cfg -rw-r--r-- 1 root root 73024 Mar 12 12:11 default.cfg_writemem_2020-03-12_19-11-10 drwxr-xr-x 5 root root 4096 Apr 10 07:20 fieldCerts -rw-r--r-- 1 root root 60273 May 8 02:34 flashbackup.tar.gz -rw-r--r-- 1 root root 1687 Mar 5 10:29 licensedb -rw------- 1 root root 4182751 May 12 07:03 logs.tar.7z -rw-r--r-- 2 root root 13021 Oct 25 2019 original.cfg drwxr-xr-x 2 root root 4096 Apr 11 00:31 upgrade-2020-04-11_00-31-27 -rw-r--r-- 1 root root 37454 Oct 29 2019 upgrade_config_backup_8.5.0.0_to_8.4.0.0_2019-10-29-02_36_59.tar.gz
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