Question on Veritas file system.. Post: 302858139

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Top Forums UNIX for Dummies Questions & Answers Question on Veritas file system.. Post 302858139 by villi on Sunday 29th of September 2013 01:10:47 AM

09-29-2013

Registered User

Hi samnyc,

Veritas mirrors volumes residing on encapsulated disks, that are grouped in disk groups.

If those disks are part of a volume manager disk group, and have dynamic volume(s) on them, you could verify if the volume(s) are mirrored.
The following outputs indicate that my "ufs" volume, that is part of "testdg" disk gropup is mirrored across disks "hds9500-alua0_75" and "hds9500-alua0_77"

Disk "hds9500-alua0_83" holds the DRL log for fast mirror resync.

Code:

**:/user #vxdisk -o alldgs list | grep testdg
hds9500-alua0_75 auto:sliced     tst          testdg       online
hds9500-alua0_77 auto:cdsdisk    cache1       testdg       online
hds9500-alua0_82 auto:sliced     data2        testdg       online
hds9500-alua0_83 auto:cdsdisk    data3        testdg       online

You could use vxdisk list for the complete list of disk groups.

Code:

**:/user #vxprint -th -g testdg ufs
V  NAME         RVG/VSET/CO  KSTATE   STATE    LENGTH   READPOL   PREFPLEX UTYPE
PL NAME         VOLUME       KSTATE   STATE    LENGTH   LAYOUT    NCOL/WID MODE
SD NAME         PLEX         DISK     DISKOFFS LENGTH   [COL/]OFF DEVICE   MODE
SV NAME         PLEX         VOLNAME  NVOLLAYR LENGTH   [COL/]OFF AM/NM    MODE
SC NAME         PLEX         CACHE    DISKOFFS LENGTH   [COL/]OFF DEVICE   MODE
DC NAME         PARENTVOL    LOGVOL
SP NAME         SNAPVOL      DCO
EX NAME         ASSOC        VC                       PERMS    MODE     STATE
SR NAME         KSTATE

v  ufs          -            ENABLED  ACTIVE   204800   SELECT    -        fsgen        
pl ufs-01       ufs          ENABLED  ACTIVE   204800   CONCAT    -        RW           
sd tst-02       ufs-01       tst      122880   204800   0         hds9500-alua0_75 ENA  
pl ufs-02       ufs          ENABLED  ACTIVE   204800   CONCAT    -        RW           
sd cache1-02    ufs-02       cache1   2528864  204800   0         hds9500-alua0_77 ENA  
pl ufs-03       ufs          ENABLED  ACTIVE   LOGONLY  CONCAT    -        RW           
sd data3-03     ufs-03       data3    699136   528      LOG       hds9500-alua0_83 ENA

villi

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LEARN ABOUT XFREE86

labelit_ufs

labelit_ufs(1M) 					  System Administration Commands					   labelit_ufs(1M)

NAME

       labelit_ufs - provide and print labels for ufs file systems

SYNOPSIS

       labelit -F ufs [generic_options] special [ fsname volume]

DESCRIPTION

       labelit	is  used to write labels on unmounted disk file systems. Such labels may be used to uniquely identify volumes and are used by vol-
       ume-oriented programs such as volcopy(1M).

OPTIONS

       The following option is supported:

       generic_options	       options supported by the generic  labelit command. See  labelit(1M).

OPERANDS

       The following operands are supported:

       special	       name should be the physical disk section (for example, /dev/dsk/c0d0s6). The device may not be on a remote machine.

       fsname	       represents the mount point (for example, root, u1, and so on) of the file system.

       volume	       may be used to represent the physical volume name.

       If  fsname and  volume are not specified, labelit prints the current values of these labels.  Both  fsname and  volume are limited  to  six
       or fewer characters.

EXIT STATUS

       The following exit values are returned:

       0	       Write or display of labels was successful.

       non-zero        An error occurred.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWcsu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       labelit(1M), volcopy(1M), attributes(5), ufs(7FS)

SunOS 5.10							    15 Apr 2003 						   labelit_ufs(1M)