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- From: terry@spcvxb.spc.edu (Terry Kennedy, Operations Mgr.)
- Newsgroups: comp.sys.dec
- Subject: Re: How to read/write VMS (RMS?) disk blocks asynchronously
- Message-ID: <1992Aug12.121243.3572@spcvxb.spc.edu>
- Date: 12 Aug 92 16:12:43 GMT
- References: <MRL.92Aug11103051@sun4.uai.com>
- Organization: St. Peter's College, US
- Lines: 15
-
- In article <MRL.92Aug11103051@sun4.uai.com>, mrl@uai.com (Mark R. Ludwig) writes:
- > I've read much of the RMS Reference, and concluded that the
- > asynchronous support there is quite limited, because it only allows
- > one operation at a time (on a FAB, or RAB, I forget exactly which).
- > For our application it is not feasible to have multiple FABs or RABs
- > for a single file.
-
- Look at the read-ahead and write-behind options and the multibuffer count.
- In VAX C you can specify these options in the fopen() statement as rah=n,
- wbh=n, mbf=n. These must exist in RMS, rather than being C-specific. Try
- looking in the Master Index for these items.
-
- Terry Kennedy Operations Manager, Academic Computing
- terry@spcvxa.bitnet St. Peter's College, Jersey City, NJ USA
- terry@spcvxa.spc.edu +1 201 915 9381
-