I just keep em in a filing cabinet .....as far as annoying .....at first it was annoying to have to write everything down ....as years went bye I started to get my own system down ......I could tell you my watering schedule to the day for many many seasons ......but if you tried to read the last 10 years of my journal ....you'd think it was fucked up football plays ...lol.....I set my grows up in spaces basically ....so my greenhouses are split into 4 to 6 areas ....for different strains obviously ...but also for feeding and watering info .....so I've got pages that are split into four groups .....each time I do something I leave room for notes ....etc etc ......nowadays if I'm not having any issues and it's a strain I've grown before ....I'm able to write down what I did in 10 minutes or less.....so unless it's a new strain I'm basically just keeping track of waterings and when I fed last .....but for the first several years I'd write pages and pages of very detailed things I felt would be useful later ......it's very nice to have all the info in my own writing on a strain I haven't grown in a long while .......you'll learn that some strains like more food than others .......also writing down all the issues I run across and what I did to cure them .....what works and what doesn't .....luckily people nowadays have sites like this to refer to .....but I still wouldn't trade my journals ........back in the early 2000's I went through all my journals and put labels as well as transferred all the different strain info into one book ......holy shit that sucked.....over a month of sitting down each evening to do that .....thankfully I still have a good memory and I grow strains my patients like and I'm familiar with from growing them over the years .....I take pride in my OG kush plants ....I can read those fuckers minds ...lol...my favorite strain and I live in Cali, so I get awesome cuts from a older gentleman in So Cal for many years now .....OG is not the biggest yeilder ...but it's potency makes up for it IMO .....a few years ago I started to grow new strains each year in a small experimental garden for fun .......so I'd say a journal is worth the effort and time for sure .....GL
And remember ...if you start one ....write everything down ....more details the better.