mkfs on an RL02
Pete Turnbull
pete at dunnington.u-net.com
Sun May 10 20:02:46 AEST 1998
Hi, Warren.
On May 10, 18:26, Warren Toomey wrote:
> > For the first time in umpteen years, I need to make a bootable 7th
> > Edition system disk on an RL02...
> > How many blocks should I leave for swap? Or, to put it another way,
> > what magic number pair would people suggest I put in the prototype file
> > for the number of blocks and number of inodes?
>
> The best & only answer here is to consult to xxconf file used to generate
> the 7th Edition kernel, as this will tell you how much swap to reserve.
I should have thought of that! Steven told me the same thing last night.
> Vanilla V7 didn't come with RL02 support, so all I can give you are the
> parameters used for the RL02 images I have here with V7:
>
> rl
> tm
> root rl 0
> swap rl 0
> swplo 18000
> nswap 2480
That looks the same as mine.
> In other words, the filesystem should be no bigger than 18,000 blocks.
I had a look in the superblock on a couple of bootable RL02s, and found
18,000.
> Distribution V7 had roughly 2,600 files & directories. If I had to
> set a value, I'd choose 5,000 or so.
I knew about using digits for the blocks instead of a proto file, but I
thought it might be safer to specify the number for the inodes. I tried to
figure it out from the results of icheck but I'm much happier with your
suggestion.
I'll let you know how I get on. The reason to do this today is two-fold:
One of my packs is getting flaky, so I want to make a good copy, with
a clean install (most of mine have lots of localised junk), and
our department has an Open Day on Wednesday, and I've been coerced
into running a display of old machines. The 11T23 is the easiest PDP
for me to move there.
Thanks for the help!
--
Pete Peter Turnbull
Dept. of Computer Science
University of York
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