Truncating the unlinked file will certainly work with ZFS too.
Truncating an open file is not guaranteed to work. The mode the file descriptor is in matters, as does the ability of the underlying file system to support sparse files. If the mode is "wrong", and I think "wrong" can depend on a lot of things, but in this case I think if the file wasn't opened with O_APPEND flag set is what's most important, the next time the process that has the file open writes to the file, the data will go to whatever the current file offset is for that open file descriptor. If the underlying file system doesn't support sparse files, and the current offset is 6 GB into the file, now that file you truncated is suddenly once again 6 GB in size.
In short, if the file is created like this:
You should be OK if you truncate that log file.
If it's
You can't be sure that truncating log file will stick.
This isn't really a simple issue - the specific OS matters, the specific file system matters, the specific flags set on the open file descriptor matter, and the actions the process performs on the open file descriptor matter.
Truncating an open file is not guaranteed to work.
Truncating the file is guaranteed to work, i.e. to release the disk space, in the OP context. The question clearly mention the underlying file system is ZFS. In any case, all file systems supported on Solaris support sparse files outside FAT32.
Hi, hoping someone can help, its been a while since I used Solaris.
After creating a NGZ (non global zone), the NGZ can access the GZ (Global Zone) and the GZ can access the NGZ (using ssh, zlogin)
However, the NGZ cannot access any other netwqork devices, it can't even see the default router
... (2 Replies)
Hi,
If I change date and time in global zone, then it will affect in non global zones.
During this process what files will get affect in non global zones and which mechanism it's using to change.
gloabl zone:Solaris 11.3 X86
TIA (1 Reply)
hi all,
Just a simple question but i cant get the answers in the book -
In my globalzone , assuming i have 4 cpus (psrinfo -pv = 0-3), if i set dedicated-cpu (ncpus=2) for my local zone
Is my globalzone left with 2 cpus or still 4 cpus ? Does localzone "resource reservation.e.g. cpu in... (6 Replies)
can some one help me out as it is showing 2 different time zones in global zone and nonglobal zone .In global zone it is showing in GMT while in nonglobal zone i it showing as PDT.
System in running with solaris 10 (3 Replies)
Hi Guys
I have one Global Zone and 2 non-global zones.
root@solar109
# zoneadm list -icv
ID NAME STATUS PATH BRAND IP
0 global running / native shared
20 solar109b running ... (1 Reply)
Hi Greetings...
I have an issue in connecting the zone from outside the network and it is because of default gateway. I can ping default gateway from inside the zone and not able to ping from global zone due to different VLAN issue. If i add two different gateways and restart network services,... (2 Replies)
Hi,
Is it possible to access application installed on global-zone from a non-global zone?
Is there any configuration to achieve the above requirement?
Tried looking up information but unable to find.
Thanks in advance.
Eugene (3 Replies)
Hi Guys,
My requirement is I have file called /opt/orahome/.profile in non global zone.
PATH=/usr/bin:/usr/ucb:/etc:/usr/sbin:/usr/local/bin:/usr/openwin/bin:.
export PATH
PS1="\${ORACLE_SID}:`hostname`:\$PWD$ "
export PS1
EDITOR=vi
export EDITOR
ENV=/opt/orahome/.kshrc
export ENV... (1 Reply)
Hi All
There is one folder in global zone I just want to share the same folder innon global zone. How can i do it?
pls send me script for this. (2 Replies)