ADIC 1.3 manual

Release Notes 6-01663-01 Rev A © April 2006, ADIC ® A DIC and Stor Next are register ed trademarks of Advanced Digit al Information Corporatio n. All other p roduct, company, o r service names m entioned her ein are the pr op erty of th eir respecti v e owners. Product: StorNext FX 1.3 SNFX Client Operating Systems: SGI IRIX 6.5.26, 27, and 28 (M[...]

2 April 2006, ADIC Purpose of this Release StorNext FX ( SNFX) 1.3 incl udes several new feat ures and enhancements that extend its capabil ities. These release notes describe these new features and en hancements, as well as currently known issues and issues that were reso lved for this release. T hese notes also provide driv e and auxiliary firmwa[...]

April 2006, ADIC 3 Operating System Level Requirements The following table lists the require d operating system levels require d to successfully operate SNFX 1.3. SNFX 1.3 Requirements Operating System Plat form Operating System Levels AIX 5.2, 5.3 (Power Architecture 64-bit) HP-UX 1 1i v2 (PA-RISC and 64-bit Itanium) IRIX 6.5.26, 27, and 28 (MIPS [...]

4 April 2006, ADIC Certified System Components This table lists certified system components that support SNFX 1.3. System Requirements To successfully install SNFX 1.3, the following system requirem ents must be met: • S NF X 1.3 R equirement s • Windows Memory Requireme nt s on page 5 SNFX 1.3 Requirements For each SNFX mounted file system, th[...]

April 2006, ADIC 5 Windows Memory Requirements The SNFX 1.3 release has a n umber of performance enhancements that enable it to better react to changing customer load. Th ese enhancements come with addition al memory requirements. Because the Windows operating system has unusual memory resource limitat ions it is sometime s necessary to adjust Stor[...]

6 April 2006, ADIC The solution is to adjust a few paramete rs on the Cache Parameters tab in the SNFX control panel ( cvntclnt ). These para meters control h ow much memor y is consumed by the directory cache, the buffer cache, and the local file cache. As always, an und erstanding of the customer's workload aid in determining th e correct va[...]

April 2006, ADIC 7 Configuring LDAP The following information de scribes how to configure th e new StorNext LDAP feature in ad dition to outlining recent changes to Windows configu ration tools. Using LDAP SNFX 1.3 introduces support for Light Dir ectory Access Protocol, or LDAP (RFC 2307). This feature allows customers to use Active D irectory/LDA[...]

8 April 2006, ADIC Navigating to the Win dows File System Control Parameters pane > Authen tication tab gives the administrator the ability to disable the NIS/PCNFSD ma pping on a client by client basis by checking LDAP. Domain Server Requirements The domain server must be at least Windows 2000 or above to su pport RFC 2307 mapp ing. Client Requ[...]

April 2006, ADIC 9 IRIX 38875 310052 On IRIX, Mmap fails for files larger 2 GB. 51662 n/a POSIX sparse file support defaults to yes in StorNext 2.7. NOTE: This change can have a n egative pe rformanc e imp act. Th e previous behavior can be achieved with an explicit deactivation of posix-sparse-file support. Linux 24245 221686 On Linux, license key[...]

10 April 2006, ADIC All 18144 179324 Pathing method definition not included in c:cvfshelpcvfs_config.htm file. 33490 296206 Client panicked after runnin g cvfs stop. 33544 n/a Installation procedur es nee ds a 64-bit operating system check. 33601 n /a Windows rename failed with full pathnam e gr ea te r th an 128 characters . 33726 n/a Bad value[...]

April 2006, ADIC 11 All 50103 n/a In previous ve rsions of S torNext, the modification time of a file was not updated when a file size was explicitly changed using th e truncate(2) system call on UNIX or the _chsize() function on Windows. With S torNext 2.7, this has been corrected and setting the size of a file will cause the modifi cation time of[...]

12 April 2006, ADIC Known Issues The following tables list known issues in this release of StorNext. File System Issues The following CRs are specific to the StorNext File System. Operating System CR Number SR Number Description W orkaround AIX 51306 n/ a Using the umount command can cause applications to fail. Make sure that all applications are s[...]

April 2006, ADIC 13 HP-UX 38359 n/a F C cable pull does not initiate failover . Us e the SecurePath Fibre Channel driver . 38892 n/a Cache cohe rency between nodes with applications that use m map can potentially see da ta corr up tion. As of the S torNext 2.5 release da te, HP-UX 1 1iv2 applications using mmap(2) may lose some dat a under some cir[...]

14 April 2006, ADIC Solaris 51308 n/a Solaris NFS client s get I/O errors when using the cp -p command. Do not use the cp -p command which attempts to copy ACLS not supported by S torNext. 52120 n/a Newly labele d disks ar e not usable in SNFS on Solaris 9 or 10 until system reboot. Reboot the system. Windows 14254 n/ a In a Windows/U NIX environme[...]

April 2006, ADIC 15 All 34784 n/ a When perf or m ing a cvcp command from a Windows client against a file with international characters, a “can not find file” error is returned. n/a 34903 n/a Breaking an Ethern et connection causes a disconnect that invalidates locks (file locking). n/a 37589 n/a The cva dmin command does not list all file syst[...]

16 April 2006, ADIC All 42761 n/ a U nix clients can create symbo lic links in S torNext file s ystems that are usable on Windows client s if they meet the following criteria: • The link is relative (it does not start with a '/' char a cte r) • The link is valid (it points to file or directory that is visible on the Windows client) In[...]

April 2006, ADIC 17 All 53141 n/a An error message may be generated if you h ave a file system configured with one or more LUNs that are "short-labeled", that is, LUNs that have a raw capacity greater than 4294 967295 sectors, but have been labeled with a reduced cap acity of 4294967295 sectors (the maxi mum number of sectors supported in[...]

18 April 2006, ADIC Limitations This table lists the limitations that have been discovered in this release of SNFX. Operating Sy stem/ Component Affect ed Description IRIX SNFS uses 64-bit inode numb er s. 32-bit applications (programs compiled without 64-bi t) supp or t ma y exp e rie nc e pr ob le ms work in g with files with inode numbers greate[...]

April 2006, ADIC 19 Solaris On Solaris, by default , the /usr/lib/fs/nfs/nfsfind script is run nightly by the cron daemon. This script cont ains a find command that traverses any local file system that is exported (shared) via NFS. If the running of this script is interfering with the pe rformance of processes accessing S torNext file systems, it c[...]

20 April 2006, ADIC All With SNFX 1.3, a change has been made to the way that the Reserved Extents performa nce feature affect s free space reporting. In the previous release, SNFS wo uld reser ve a ce rtain amo un t of dis k space which wo uld cause applications to receive an out of space error before the disk capacity re ached 100%. In the curren[...]

April 2006, ADIC 21 Documentation These documents are curr en tly available for StorNext products: Document Number Document Ti tle 6-00360-06 Rev A S torNext St orage Manager and File System Installation Guide 6-00905-04 Rev A S torN ext File System I nstallation Guide 6-00362-04 Rev A S torN ext System Administrator Guide 6-00361-09 Rev A S torNex[...]

22 April 2006, ADIC[...]