Revision as of 21:53, 12 October 2010

testing setup

/dev/dsk/c1t1d0 = LUN 13 in esxi host group on ds4200, 1TB

hostname is fs7, 64-bit, 2vCPU, 1GB RAM, RDM over 4GFC with NPIV, solaris 10u8

SUNWsamfsr = 5.1.4,REV=5.10.2010.04.05

SUNWsamfsu = 5.1.4,REV=5.10.2010.04.05

notes/commands

commands

• Create filesystem: sammkfs <fs>
• fs info: samfsinfo <fs>

equipment types (mcf)

• ms = fs with archiving, data + metadata on same device. only accepts md types
• ma = fs with archiving, data and metadata on separate devices,
• md = striped or RR using DAU for storing data
• mm = metadata device. can specify multiple. stored RR if there are multiple by default
• mr = striped or RR device for storing data, uses SAU
• gxxx = stripe groups, 0..127

allocation schemes

http://wikis.sun.com/display/SAMQFSDocs51/File+System+Design+Basics#FileSystemDesignBasics-DualandSingleAllocationSchemes

• md : small = 4KB, large = DAU = 64KB, can be 16, 32, or 64
• mm : small = 4KB, large = 16KB

files

/etc/opt/SUNWsamfs/mcf

http://wikis.sun.com/display/SAMQFSDocs51/About+the+Master+Configuration+File

## /etc/opt/SUNWsamfs/mcf
#
# Equipment             Eq      Eq    Family   Device   Additional
# Identifier            Ord     Type    Set     State    Parameters
#-----------            ---     ----   ------   ------   ----------
samfs1                                  10              ms              samfs1  on
/dev/dsk/c1t1d0s2               11              md              samfs1  on

/etc/vfstab

samfs1  -   /samfs1 samfs   -   yes -

References

• http://wikis.sun.com/display/SAMQFS/Home
• http://mail.opensolaris.org/mailman/listinfo/sam-qfs-discuss
• http://wikis.sun.com/display/SAMQFSDocs51/Home