[zfs-discuss] need Clarification on ZFS

Hi All, I am new to solaris. Please clarify me on the following questions. 1) On Linux to know the presence of ext2/ext3 file systems on a device we use tune2fs command. Similar to tune2fs command is there any command to know the presence of ZFS file system on a device ? 2)

[zfs-discuss] Limitations of ZFS

Hi Folks, Man pages of ZFS and ZPOOL, clearly saying that it is not good (recommended) to use some portion of device for ZFS file system creation. Hardly what are the problems if we use only some portion of disk space for ZFS FS ?

[zfs-discuss] doubt on solaris 10

Hi ALL, Is it possible to install solaris 10 on HP-VISUALIZE XL - CLASS server ? Regards Masthan - Everyone is raving about the all-new Yahoo! Mail beta.___ zfs-discuss mailing list

[zfs-discuss] Doubt on solaris 10 installation ..

Hi Everybody, I have some problems in solaris 10 installation. After installing the first CD , I removed the CD from CDrom , after that the machine is getting rebooting again and again. It is not asking second CD to install. If you have any idea. Please tell me. Thanks

[zfs-discuss] How to do DIRECT IO on ZFS ?

Hi All, We have directio() system to do DIRECT IO on UFS file system. Can any one know how to do DIRECT IO on ZFS file system. Regards Masthan - Everyone is raving about the all-new Yahoo! Mail beta.___

[zfs-discuss] Need Clarification on ZFS quota property.

Hi All, Assume the device c0t0d0 size is 10 KB. I created ZFS file system on this $ zpool create -f mypool c0t0d0s2 and to limit the size of ZFS file system I used quota property. $ zfs set quota = 5000K mypool Which 5000 K bytes are belongs (or reserved)

Re: [zfs-discuss] Need Clarification on ZFS quota property.

Hi Darren Thanks for your reply. You please take a deep look into the following command: $mkfs -F vxfs -o bsize=1024 /dev/rdsk/c5t20d9s2 2048000 The above command creates vxfs file system on first 2048000 blocks (each block size is 1024 bytes) of /dev/rdsk/c5t20d9s2 .

[zfs-discuss] ZFS direct IO

Hi All, As you all know that DIRECT IO is not supported by ZFS file sytem. When ZFS people will add DIRECT IO support to ZFS ? What is the roadmap for ZFS direct IO ? Do you have any idea on this, Please let me know. Thanks Regards Masthan

[zfs-discuss] ftruncate is failing on ZFS

Hi All, In my test set up, I have one zpool of size 1000M bytes and it has only 30 M free space (970 M is used for some other purpose). On this zpool I created one file (using open () call) and i attempted to write 2MB data on it ( with write() call) but it is failed. It written only 1.3

[zfs-discuss] Need Help on device structure

Hi All, I don't know whether it's the right place or not to discuss my doubts. I opened a device ( in raw mode) and I filled the entire space (from 1 block to last block) with some random data. While writing data, I am seeing the following warning messages in dmesg buffer.

[zfs-discuss] Meta data corruptions on ZFS.

Hi All, In my test set up, I have one zpool of size 1000M bytes. On this zpool, my application writes 100 files each of size 10 MB. First 96 files were written successfully with out any problem. But the 97 file is not written successfully , it written only 5 MB (the

[zfs-discuss] Which label a ZFS/ZPOOL device has ? VTOC or EFI ?

Hi All, ZPOOL / ZFS commands writes EFI label on a device if we create ZPOOL/ZFS fs on it. Is it true ? I formatted a device with VTOC lable and I created a ZFS file system on it. Now which label the ZFS device has ? is it old VTOC or EFI ? After creating the ZFS file

Re: [zfs-discuss] Which label a ZFS/ZPOOL device has ? VTOC or EFI ?

Hi Robert, Thanks for your quick reply. As for as my knowledge concerns (because I am new to Solaris) the second slice (e.g. c0t0d0d2) of disk is exactly same to whole disk (e.g. c0t0d0). It means if we create ZPool on second slice it will create zpool on whole disk. For

Re: [zfs-discuss] Meta data corruptions on ZFS.

Hi All, No one has any idea on this ? -Masthan dudekula mastan [EMAIL PROTECTED] wrote: Hi All, In my test set up, I have one zpool of size 1000M bytes. On this zpool, my application writes 100 files each of size 10 MB. First 96 files were written successfully

Re: [zfs-discuss] VxVM volumes in a zpool.

I don't think it is good to creat ZFS file system on VxVM volumes ( I feel, it is not possible to create ZFS file system on VxVM volumes - I 'm not sure ) -Masthan Mike Gerdts [EMAIL PROTECTED] wrote: On 1/18/07, Tan Shao Yi wrote: Hi, Was wondering if anyone had experience working

[zfs-discuss] Is ZFS file system supports short writes ?

Hi all, Please let me know the ZFS support for short writes ? Thanks Regards Masthan - Cheap Talk? Check out Yahoo! Messenger's low PC-to-Phone call rates.___ zfs-discuss mailing list

Re: [zfs-discuss] Is ZFS file system supports short writes ?

If a write call attempted to write X bytes of data, and if writecall writes only x ( hwere x X) bytes, then we call that write as short write. -Masthan Torrey McMahon [EMAIL PROTECTED] wrote: Robert Milkowski wrote: Hello dudekula, Thursday, February 15, 2007, 11:08:26 AM, you

Re: [zfs-discuss] How do i know which file system I am using?

I am using Solaris 10 and i am not a super user. How do i know which filesytem ,i am using. To know FS type of a device use fstyp command. For more information about this command refer man page. and can i use ZFS filesystem locally. I mean in case my admin is not using that can i test

[zfs-discuss] How zpool import command works ?

Hi All, I have a zpool (name as testpool) on /dev/dsk/c0t0d0. The command $zpool import testpool, imports the testpool (means mount the testpool). How the import command comes to know testpool created on /dev/dsk/c0t0d0 ? And also the command $zpool import, list out all

[zfs-discuss] How crazy ZFS import command................

Hi All, Today I created a zpool (name as testpool) on c0t0d0. #zpool create -m /masthan testpool c0t0d0 Then I written some data on the pool #cp /usha/* /masthan/ Then I destroyed the zpool #zpool destroy testpool After that I created UFS File System on

Re: [zfs-discuss] file system full corruption in ZFS

Atleaset in my experience, I saw Corruptions when ZFS file system was full. So far there is no way to check the file system consistency on ZFS (to the best of my knowledge). ZFS people claiming that ZFS file system is always consistent and there is no need for FSCK command. I cannot

[zfs-discuss] Is it possible to create a ZPool on SVM volumes ?

Hi All, Is it possible to create a ZPool on SVM volumes ? What are the limitations for this ? on a solaris machine, how many number of zpools we can create ? Is there any limitation on number of zpools per system ? -Mastahn - Choose the

[zfs-discuss] Query on Zpool mount point

Hi All, At the time of zpool creation, user controls the zpool mount point by using -m option. Is there a way to change this mount point dynamically ? Your help is appreciated. Thanks Regards Masthan D - Building a website is a piece

[zfs-discuss] ZFS file system is crashing my system

Hi All, While pumping IO on a zfs file system my ststem is crashing/panicing. Please find the crash dump below. panic[cpu0]/thread=2a100adfcc0: assertion failed: ss != NULL, file: ../../common/fs/zfs/space_map.c, line: 125 02a100adec40 genunix:assfail+74 (7b652448, 7b652458,

Re: [zfs-discuss] ZFS file system is crashing my system

Hi All, Any one has any chance to look into this issue ? -Masthan D dudekula mastan [EMAIL PROTECTED] wrote: Hi All, While pumping IO on a zfs file system my ststem is crashing/panicing. Please find the crash dump below. panic[cpu0]/thread=2a100adfcc0: assertion

Re: [zfs-discuss] ZFS file system is crashing my system

Build 60 or S10U4. -- Prabahar. On Oct 8, 2007, at 10:04 PM, dudekula mastan wrote: Hi All, Any one has any chance to look into this issue ? -Masthan D dudekula mastan wrote: Hi All, While pumping IO on a zfs file system my ststem is crashing/ panicing. Please find the crash dump below

Re: [zfs-discuss] What would be the exact difference between import/mount and export/unmount ?

Hi All, Can any one explain this ? -Mashtan D dudekula mastan [EMAIL PROTECTED] wrote: Hi All, What exactly import and export commands will do ? Are they similar to mount and unmount ? How import differs from mount and how export differs from umount

Re: [zfs-discuss] Direct I/O ability with zfs?

Hi Everybody, From the last one week so many mails are exchanged on this topic. I have also one similar issue like this. I will appreciate if any one helps me on this. I have an IO test tool, which writes the data and reads the data and then compare the read data with write

Re: [zfs-discuss] Direct I/O ability with zfs?

Hi All, Any update on this ? -Masthan D dudekula mastan [EMAIL PROTECTED] wrote: Hi Everybody, From the last one week so many mails are exchanged on this topic. I have also one similar issue like this. I will appreciate if any one helps me on this. I have an IO

Re: [zfs-discuss] zfs won't import a pool automatically at boot

Hi Mike, After rebooting a UNIX machine (HP-UX/Linux/Solaris), it will mount (or import) only the file systems which are mounted (or imported) before the reboot. In your case the zfs file system tank/data is exported(or unmounted) before reboot.Thats the reason why the zpool is not